Finding the Fourth Proportional to 118,149.50, 162,954.15 and 75,711.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,149.50 : 162,954.15 = 75,711.98 : x
2. Step 2: Convert to fraction form
   118,149.50/162,954.15 = 75,711.98/x
3. Step 3: Cross multiply
   118,149.50x = 162,954.15 × 75,711.98
4. Step 4: Simplify right side
   118,149.50x = 12,337,581,345.72
5. Step 5: Solve for x
   x = 12,337,581,345.72/118,149.50
6. Step 6: Final answer
   x = 104,423.47