Finding the Fourth Proportional to 59,281.72, 81,811.39 and 34,139.32

Step by Step Solution

1. Step 1: Write the proportion equation
   59,281.72 : 81,811.39 = 34,139.32 : x
2. Step 2: Convert to fraction form
   59,281.72/81,811.39 = 34,139.32/x
3. Step 3: Cross multiply
   59,281.72x = 81,811.39 × 34,139.32
4. Step 4: Simplify right side
   59,281.72x = 2,792,984,728.45
5. Step 5: Solve for x
   x = 2,792,984,728.45/59,281.72
6. Step 6: Final answer
   x = 47,113.76