Finding the Fourth Proportional to 59,285.12, 88,990.34 and 57,946.52

Step by Step Solution

1. Step 1: Write the proportion equation
   59,285.12 : 88,990.34 = 57,946.52 : x
2. Step 2: Convert to fraction form
   59,285.12/88,990.34 = 57,946.52/x
3. Step 3: Cross multiply
   59,285.12x = 88,990.34 × 57,946.52
4. Step 4: Simplify right side
   59,285.12x = 5,156,679,781.93
5. Step 5: Solve for x
   x = 5,156,679,781.93/59,285.12
6. Step 6: Final answer
   x = 86,981.02