If it were four consecutive odd numbers then it would be x, x+2, x+4, x+6 and not x, x+1, x+2, x+3. That is just four consecutive integers.
So if you want four consecutive ODD numbers then:
x+x+2+x+4+x+6=216
4x+12=216
4x=204
x=51 so the odd integers would be:
51, 53, 55, 57