Finding the Fourth Proportional to 59,276.73, 88,152.72 and 57,408.06

Step by Step Solution

1. Step 1: Write the proportion equation
   59,276.73 : 88,152.72 = 57,408.06 : x
2. Step 2: Convert to fraction form
   59,276.73/88,152.72 = 57,408.06/x
3. Step 3: Cross multiply
   59,276.73x = 88,152.72 × 57,408.06
4. Step 4: Simplify right side
   59,276.73x = 5,060,676,638.92
5. Step 5: Solve for x
   x = 5,060,676,638.92/59,276.73
6. Step 6: Final answer
   x = 85,373.75