To solve for the next number, we need to assign a variable for the unknown number and let that be equal to X. Then we have the solution below: 7+2+0+7=16 2+0+7+8=17 where 17=16+1 0+7+8+4=19 where 19=17+2 7+8+4+3=22 where 22=19+3 8+4+3+x=26 where 26=22+4 Therefore, the value of x is 11.
