Finding the Fourth Proportional to 59,852.84, 89,251.24 and 56,909.61

Step by Step Solution

1. Step 1: Write the proportion equation
   59,852.84 : 89,251.24 = 56,909.61 : x
2. Step 2: Convert to fraction form
   59,852.84/89,251.24 = 56,909.61/x
3. Step 3: Cross multiply
   59,852.84x = 89,251.24 × 56,909.61
4. Step 4: Simplify right side
   59,852.84x = 5,079,253,635.93
5. Step 5: Solve for x
   x = 5,079,253,635.93/59,852.84
6. Step 6: Final answer
   x = 84,862.37