Finding the Fourth Proportional to 12,715.15, 17,545.23 and 7,049.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,715.15 : 17,545.23 = 7,049.62 : x
2. Step 2: Convert to fraction form
   12,715.15/17,545.23 = 7,049.62/x
3. Step 3: Cross multiply
   12,715.15x = 17,545.23 × 7,049.62
4. Step 4: Simplify right side
   12,715.15x = 123,687,204.31
5. Step 5: Solve for x
   x = 123,687,204.31/12,715.15
6. Step 6: Final answer
   x = 9,727.55