(98764 + 89881 + 99763 + 66342) ÷ (1186 + ? + 1040 + 1870) = 55

Answer: Option B

Let the missing number is x.
then, $$\frac{354750}{4096+x}$$   = 55
⇒ 55( 4096 + x ) = 354750
⇒ 55x = 354750 - 225280
⇒ 55x = 129470
⇒ x = 2354