Finding the Fourth Proportional to 59,660.56, 82,348.68 and 39,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,660.56 : 82,348.68 = 39,520.72 : x
2. Step 2: Convert to fraction form
   59,660.56/82,348.68 = 39,520.72/x
3. Step 3: Cross multiply
   59,660.56x = 82,348.68 × 39,520.72
4. Step 4: Simplify right side
   59,660.56x = 3,254,479,124.65
5. Step 5: Solve for x
   x = 3,254,479,124.65/59,660.56
6. Step 6: Final answer
   x = 54,549.93