Finding the Fourth Proportional to 12,713.99, 17,545.72 and 7,049.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,713.99 : 17,545.72 = 7,049.27 : x
2. Step 2: Convert to fraction form
   12,713.99/17,545.72 = 7,049.27/x
3. Step 3: Cross multiply
   12,713.99x = 17,545.72 × 7,049.27
4. Step 4: Simplify right side
   12,713.99x = 123,684,453.54
5. Step 5: Solve for x
   x = 123,684,453.54/12,713.99
6. Step 6: Final answer
   x = 9,728.22