Finding the Fourth Proportional to 59,174.72, 81,641.48 and 39,041.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,174.72 : 81,641.48 = 39,041.60 : x
2. Step 2: Convert to fraction form
   59,174.72/81,641.48 = 39,041.60/x
3. Step 3: Cross multiply
   59,174.72x = 81,641.48 × 39,041.60
4. Step 4: Simplify right side
   59,174.72x = 3,187,414,005.57
5. Step 5: Solve for x
   x = 3,187,414,005.57/59,174.72
6. Step 6: Final answer
   x = 53,864.45