Finding the Fourth Proportional to 90,541.50, 124,947.27 and 58,710.65

Step by Step Solution

1. Step 1: Write the proportion equation
   90,541.50 : 124,947.27 = 58,710.65 : x
2. Step 2: Convert to fraction form
   90,541.50/124,947.27 = 58,710.65/x
3. Step 3: Cross multiply
   90,541.50x = 124,947.27 × 58,710.65
4. Step 4: Simplify right side
   90,541.50x = 7,335,734,812.69
5. Step 5: Solve for x
   x = 7,335,734,812.69/90,541.50
6. Step 6: Final answer
   x = 81,020.69