Finding the Fourth Proportional to 59,798.88, 89,456.40 and 49,957.92

Step by Step Solution

1. Step 1: Write the proportion equation
   59,798.88 : 89,456.40 = 49,957.92 : x
2. Step 2: Convert to fraction form
   59,798.88/89,456.40 = 49,957.92/x
3. Step 3: Cross multiply
   59,798.88x = 89,456.40 × 49,957.92
4. Step 4: Simplify right side
   59,798.88x = 4,469,055,674.69
5. Step 5: Solve for x
   x = 4,469,055,674.69/59,798.88
6. Step 6: Final answer
   x = 74,734.77