Finding the Fourth Proportional to 59,016.08, 81,793.58 and 57,910.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,016.08 : 81,793.58 = 57,910.16 : x
2. Step 2: Convert to fraction form
   59,016.08/81,793.58 = 57,910.16/x
3. Step 3: Cross multiply
   59,016.08x = 81,793.58 × 57,910.16
4. Step 4: Simplify right side
   59,016.08x = 4,736,679,304.77
5. Step 5: Solve for x
   x = 4,736,679,304.77/59,016.08
6. Step 6: Final answer
   x = 80,260.83