Finding the Fourth Proportional to 12,713.40, 17,545.54 and 7,049.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,713.40 : 17,545.54 = 7,049.96 : x
2. Step 2: Convert to fraction form
   12,713.40/17,545.54 = 7,049.96/x
3. Step 3: Cross multiply
   12,713.40x = 17,545.54 × 7,049.96
4. Step 4: Simplify right side
   12,713.40x = 123,695,355.18
5. Step 5: Solve for x
   x = 123,695,355.18/12,713.40
6. Step 6: Final answer
   x = 9,729.53