The Cottagers pushed through a deal for the 20-year-old before the extended 7pm deadline on Thursday.
"Fulham has a lot of good players, and it's good for my development to be here".
Fosu-Mensah made his Man Utd debut during the 2015-16 campaign.
Angelina Jolie says Brad Pitt not paying 'meaningful' child support
The children have been living with Jolie with Pitt allowed visitation. Shortly before Jolie's attorney filed the two-page brief in L.A.
Since then he has made a further 11 appearances for the Red Devils and his current contract takes him to 2020.
The Netherlands global, who has made 21 senior appearances for United since his debut under Louis van Gaal in 2016, played 24 games for Palace last season.
Fulham boss Slavisa Jokanovic has been involved in a busy transfer period for the newly-promoted club.
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Coleman caught 56 passes for 718 yards and five touchdowns with the Browns, who are still in the market for a wide receiver. Buffalo entered training camp with Kelvin Benjamin as its top receiver and questions down the rest of its depth chart.
The 20-year-old is Fulham's eleventh signing of the summer after Jean Michaël Seri, Aleksandar Mitrovic, Alfie Mawson, Fabri, Maxime Le Marchand, Joe Bryan, André Schürrle, Luciano Vietto, Sergio Rico and Calum Chambers.
The club also confirmed that Andre Gomes will join the Toffees on a season-long loan.
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Gates said he and Manafort created an elaborate operation in Cyprus to use shell companies to secretly accept the money. Vincent and the Grenadines and the United Kingdom revealed the accounts were connected to Manafort and his associates.
Some fans have grown frustrated with Jose Mourinho's reluctance to involve Fosu-Mensah in the first team, especially given United's failure to sign a new centre-back.