Finding the Fourth Proportional to 8,740.39, 12,061.69 and 4,761.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,740.39 : 12,061.69 = 4,761.43 : x
2. Step 2: Convert to fraction form
   8,740.39/12,061.69 = 4,761.43/x
3. Step 3: Cross multiply
   8,740.39x = 12,061.69 × 4,761.43
4. Step 4: Simplify right side
   8,740.39x = 57,430,892.62
5. Step 5: Solve for x
   x = 57,430,892.62/8,740.39
6. Step 6: Final answer
   x = 6,570.75