Finding the Fourth Proportional to 8,740.56, 12,061.92 and 4,761.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,740.56 : 12,061.92 = 4,761.72 : x
2. Step 2: Convert to fraction form
   8,740.56/12,061.92 = 4,761.72/x
3. Step 3: Cross multiply
   8,740.56x = 12,061.92 × 4,761.72
4. Step 4: Simplify right side
   8,740.56x = 57,435,485.70
5. Step 5: Solve for x
   x = 57,435,485.70/8,740.56
6. Step 6: Final answer
   x = 6,571.14