Finding the Fourth Proportional to 8,740.29, 12,061.29 and 4,761.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,740.29 : 12,061.29 = 4,761.30 : x
2. Step 2: Convert to fraction form
   8,740.29/12,061.29 = 4,761.30/x
3. Step 3: Cross multiply
   8,740.29x = 12,061.29 × 4,761.30
4. Step 4: Simplify right side
   8,740.29x = 57,427,420.08
5. Step 5: Solve for x
   x = 57,427,420.08/8,740.29
6. Step 6: Final answer
   x = 6,570.43