Finding the Fourth Proportional to 59,520.87, 89,297.91 and 48,531.33

Step by Step Solution

1. Step 1: Write the proportion equation
   59,520.87 : 89,297.91 = 48,531.33 : x
2. Step 2: Convert to fraction form
   59,520.87/89,297.91 = 48,531.33/x
3. Step 3: Cross multiply
   59,520.87x = 89,297.91 × 48,531.33
4. Step 4: Simplify right side
   59,520.87x = 4,333,746,338.52
5. Step 5: Solve for x
   x = 4,333,746,338.52/59,520.87
6. Step 6: Final answer
   x = 72,810.53