Finding the Fourth Proportional to 113,703, 156,861.73 and 83,435.73

Step by Step Solution

1. Step 1: Write the proportion equation
   113,703 : 156,861.73 = 83,435.73 : x
2. Step 2: Convert to fraction form
   113,703/156,861.73 = 83,435.73/x
3. Step 3: Cross multiply
   113,703x = 156,861.73 × 83,435.73
4. Step 4: Simplify right side
   113,703x = 13,087,872,951.61
5. Step 5: Solve for x
   x = 13,087,872,951.61/113,703
6. Step 6: Final answer
   x = 115,105.78