Finding the Fourth Proportional to 59,209.30, 88,862.55 and 57,265.30

Step by Step Solution

1. Step 1: Write the proportion equation
   59,209.30 : 88,862.55 = 57,265.30 : x
2. Step 2: Convert to fraction form
   59,209.30/88,862.55 = 57,265.30/x
3. Step 3: Cross multiply
   59,209.30x = 88,862.55 × 57,265.30
4. Step 4: Simplify right side
   59,209.30x = 5,088,740,584.52
5. Step 5: Solve for x
   x = 5,088,740,584.52/59,209.30
6. Step 6: Final answer
   x = 85,944.95