Finding the Fourth Proportional to 12,711.71, 17,543.20 and 7,048.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.71 : 17,543.20 = 7,048.23 : x
2. Step 2: Convert to fraction form
   12,711.71/17,543.20 = 7,048.23/x
3. Step 3: Cross multiply
   12,711.71x = 17,543.20 × 7,048.23
4. Step 4: Simplify right side
   12,711.71x = 123,648,508.54
5. Step 5: Solve for x
   x = 123,648,508.54/12,711.71
6. Step 6: Final answer
   x = 9,727.13