Adopted Children getting Grants?

please help with any information on subsidy for adopted teenage child though fostercare, i adopted my daughter at the age of 4yrs old she is now 16 i do receive subsidy from Michigan i live in las vegas nv, at the age of 16 and prepare for graduation and college im going though financial difficulties trying to bugget on the amount of subsidy from Michigan in which have not increased since the age of 4yrs old is there any other resourses grants charities ect. that would help me keep up with the support to help meet her needs of a adopted child though foster care