Finding the Fourth Proportional to 59,601.92, 89,424.68 and 56,080.85

Step by Step Solution

1. Step 1: Write the proportion equation
   59,601.92 : 89,424.68 = 56,080.85 : x
2. Step 2: Convert to fraction form
   59,601.92/89,424.68 = 56,080.85/x
3. Step 3: Cross multiply
   59,601.92x = 89,424.68 × 56,080.85
4. Step 4: Simplify right side
   59,601.92x = 5,015,012,205.58
5. Step 5: Solve for x
   x = 5,015,012,205.58/59,601.92
6. Step 6: Final answer
   x = 84,141.79