Finding the Fourth Proportional to 112,317, 154,871.10 and 91,835.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,317 : 154,871.10 = 91,835.16 : x
2. Step 2: Convert to fraction form
   112,317/154,871.10 = 91,835.16/x
3. Step 3: Cross multiply
   112,317x = 154,871.10 × 91,835.16
4. Step 4: Simplify right side
   112,317x = 14,222,612,247.88
5. Step 5: Solve for x
   x = 14,222,612,247.88/112,317
6. Step 6: Final answer
   x = 126,629.20