Finding the Fourth Proportional to 59,674.76, 82,306.42 and 57,027.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,674.76 : 82,306.42 = 57,027.72 : x
2. Step 2: Convert to fraction form
   59,674.76/82,306.42 = 57,027.72/x
3. Step 3: Cross multiply
   59,674.76x = 82,306.42 × 57,027.72
4. Step 4: Simplify right side
   59,674.76x = 4,693,747,473.96
5. Step 5: Solve for x
   x = 4,693,747,473.96/59,674.76
6. Step 6: Final answer
   x = 78,655.49