Finding the Fourth Proportional to 59,700.06, 89,470.92 and 43,830.87

Step by Step Solution

1. Step 1: Write the proportion equation
   59,700.06 : 89,470.92 = 43,830.87 : x
2. Step 2: Convert to fraction form
   59,700.06/89,470.92 = 43,830.87/x
3. Step 3: Cross multiply
   59,700.06x = 89,470.92 × 43,830.87
4. Step 4: Simplify right side
   59,700.06x = 3,921,588,263.30
5. Step 5: Solve for x
   x = 3,921,588,263.30/59,700.06
6. Step 6: Final answer
   x = 65,688.18