Finding the Fourth Proportional to 115,614.52, 159,500.82 and 91,645

Step by Step Solution

1. Step 1: Write the proportion equation
   115,614.52 : 159,500.82 = 91,645 : x
2. Step 2: Convert to fraction form
   115,614.52/159,500.82 = 91,645/x
3. Step 3: Cross multiply
   115,614.52x = 159,500.82 × 91,645
4. Step 4: Simplify right side
   115,614.52x = 14,617,452,648.90
5. Step 5: Solve for x
   x = 14,617,452,648.90/115,614.52
6. Step 6: Final answer
   x = 126,432.67