Finding the Fourth Proportional to 12,711.76, 17,541.91 and 7,046.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.76 : 17,541.91 = 7,046.40 : x
2. Step 2: Convert to fraction form
   12,711.76/17,541.91 = 7,046.40/x
3. Step 3: Cross multiply
   12,711.76x = 17,541.91 × 7,046.40
4. Step 4: Simplify right side
   12,711.76x = 123,607,314.62
5. Step 5: Solve for x
   x = 123,607,314.62/12,711.76
6. Step 6: Final answer
   x = 9,723.86