Finding the Fourth Proportional to 114,789.83, 171,898.38 and 72,542.46

Step by Step Solution

1. Step 1: Write the proportion equation
   114,789.83 : 171,898.38 = 72,542.46 : x
2. Step 2: Convert to fraction form
   114,789.83/171,898.38 = 72,542.46/x
3. Step 3: Cross multiply
   114,789.83x = 171,898.38 × 72,542.46
4. Step 4: Simplify right side
   114,789.83x = 12,469,931,355.21
5. Step 5: Solve for x
   x = 12,469,931,355.21/114,789.83
6. Step 6: Final answer
   x = 108,632.72