Finding the Fourth Proportional to 59,183.88, 81,560.70 and 42,387.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,183.88 : 81,560.70 = 42,387.72 : x
2. Step 2: Convert to fraction form
   59,183.88/81,560.70 = 42,387.72/x
3. Step 3: Cross multiply
   59,183.88x = 81,560.70 × 42,387.72
4. Step 4: Simplify right side
   59,183.88x = 3,457,172,114.60
5. Step 5: Solve for x
   x = 3,457,172,114.60/59,183.88
6. Step 6: Final answer
   x = 58,414.08