Fox, chicken and grain - Solution

Take the chicken first and come back.
Get the grain, take it accross and take the chicken back with you.
Leave the chicken and take the fox and come back.
Get the chicken…

Lets get visual:
C = chicken
G = Grain
F = fox
} = one side of river
{ = other side of river.

  C G F     }             {

    G F     }             { C

      F     }             { G

  C         }             { F G

            }		  { F G C