Finding the Fourth Proportional to 59,707.52, 81,862.38 and 58,641.35

Step by Step Solution

1. Step 1: Write the proportion equation
   59,707.52 : 81,862.38 = 58,641.35 : x
2. Step 2: Convert to fraction form
   59,707.52/81,862.38 = 58,641.35/x
3. Step 3: Cross multiply
   59,707.52x = 81,862.38 × 58,641.35
4. Step 4: Simplify right side
   59,707.52x = 4,800,520,068.10
5. Step 5: Solve for x
   x = 4,800,520,068.10/59,707.52
6. Step 6: Final answer
   x = 80,400.60