Finding the Fourth Proportional to 113,704, 156,863.11 and 83,436.73

Step by Step Solution

1. Step 1: Write the proportion equation
   113,704 : 156,863.11 = 83,436.73 : x
2. Step 2: Convert to fraction form
   113,704/156,863.11 = 83,436.73/x
3. Step 3: Cross multiply
   113,704x = 156,863.11 × 83,436.73
4. Step 4: Simplify right side
   113,704x = 13,088,144,956.03
5. Step 5: Solve for x
   x = 13,088,144,956.03/113,704
6. Step 6: Final answer
   x = 115,107.16