Finding the Fourth Proportional to 59,279.73, 88,157.19 and 57,411.06

Step by Step Solution

1. Step 1: Write the proportion equation
   59,279.73 : 88,157.19 = 57,411.06 : x
2. Step 2: Convert to fraction form
   59,279.73/88,157.19 = 57,411.06/x
3. Step 3: Cross multiply
   59,279.73x = 88,157.19 × 57,411.06
4. Step 4: Simplify right side
   59,279.73x = 5,061,197,724.52
5. Step 5: Solve for x
   x = 5,061,197,724.52/59,279.73
6. Step 6: Final answer
   x = 85,378.22