Finding the Fourth Proportional to 12,713.69, 17,543.27 and 7,048.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,713.69 : 17,543.27 = 7,048.38 : x
2. Step 2: Convert to fraction form
   12,713.69/17,543.27 = 7,048.38/x
3. Step 3: Cross multiply
   12,713.69x = 17,543.27 × 7,048.38
4. Step 4: Simplify right side
   12,713.69x = 123,651,677.16
5. Step 5: Solve for x
   x = 123,651,677.16/12,713.69
6. Step 6: Final answer
   x = 9,725.87