Finding the Fourth Proportional to 59,737.37, 89,512.19 and 28,139.97

Step by Step Solution

1. Step 1: Write the proportion equation
   59,737.37 : 89,512.19 = 28,139.97 : x
2. Step 2: Convert to fraction form
   59,737.37/89,512.19 = 28,139.97/x
3. Step 3: Cross multiply
   59,737.37x = 89,512.19 × 28,139.97
4. Step 4: Simplify right side
   59,737.37x = 2,518,870,641.73
5. Step 5: Solve for x
   x = 2,518,870,641.73/59,737.37
6. Step 6: Final answer
   x = 42,165.75