Finding the Fourth Proportional to 59,587.92, 89,380.80 and 50,287.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,587.92 : 89,380.80 = 50,287.68 : x
2. Step 2: Convert to fraction form
   59,587.92/89,380.80 = 50,287.68/x
3. Step 3: Cross multiply
   59,587.92x = 89,380.80 × 50,287.68
4. Step 4: Simplify right side
   59,587.92x = 4,494,753,068.54
5. Step 5: Solve for x
   x = 4,494,753,068.54/59,587.92
6. Step 6: Final answer
   x = 75,430.61