Finding the Fourth Proportional to 59,176.72, 81,644.24 and 39,043.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,176.72 : 81,644.24 = 39,043.60 : x
2. Step 2: Convert to fraction form
   59,176.72/81,644.24 = 39,043.60/x
3. Step 3: Cross multiply
   59,176.72x = 81,644.24 × 39,043.60
4. Step 4: Simplify right side
   59,176.72x = 3,187,685,048.86
5. Step 5: Solve for x
   x = 3,187,685,048.86/59,176.72
6. Step 6: Final answer
   x = 53,867.21