I don't think he could have legally used Foundation money for the bailout--it must have been his own fortune.
That's an awful lot of numbers money

.
Possibly some drug money too, it must have been.
Drug money + Numbers, Loansharking and Extortion money + the Casinos + Kickback from Genco Olive Oil (even though he sold the company to Frankie, I imagine he still got a cut of Genco's profits perpetually) + Prostitution, Nightclubs, etc + Union corruption + The Garment Industry + Sale of the Lake Tahoe Property + Stocks in IBM and IT&T