Finding the Fourth Proportional to 59,229.78, 81,684.20 and 49,142.24

Step by Step Solution

1. Step 1: Write the proportion equation
   59,229.78 : 81,684.20 = 49,142.24 : x
2. Step 2: Convert to fraction form
   59,229.78/81,684.20 = 49,142.24/x
3. Step 3: Cross multiply
   59,229.78x = 81,684.20 × 49,142.24
4. Step 4: Simplify right side
   59,229.78x = 4,014,144,560.61
5. Step 5: Solve for x
   x = 4,014,144,560.61/59,229.78
6. Step 6: Final answer
   x = 67,772.40