Finding the Fourth Proportional to 59,866.72, 89,964.50 and 55,966.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,866.72 : 89,964.50 = 55,966.12 : x
2. Step 2: Convert to fraction form
   59,866.72/89,964.50 = 55,966.12/x
3. Step 3: Cross multiply
   59,866.72x = 89,964.50 × 55,966.12
4. Step 4: Simplify right side
   59,866.72x = 5,034,964,002.74
5. Step 5: Solve for x
   x = 5,034,964,002.74/59,866.72
6. Step 6: Final answer
   x = 84,102.89