Finding the Fourth Proportional to 59,478.20, 88,537.75 and 58,592.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,478.20 : 88,537.75 = 58,592.12 : x
2. Step 2: Convert to fraction form
   59,478.20/88,537.75 = 58,592.12/x
3. Step 3: Cross multiply
   59,478.20x = 88,537.75 × 58,592.12
4. Step 4: Simplify right side
   59,478.20x = 5,187,614,472.53
5. Step 5: Solve for x
   x = 5,187,614,472.53/59,478.20
6. Step 6: Final answer
   x = 87,218.75