Finding the Fourth Proportional to 12,709.46, 17,541.15 and 7,407.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,709.46 : 17,541.15 = 7,407.38 : x
2. Step 2: Convert to fraction form
   12,709.46/17,541.15 = 7,407.38/x
3. Step 3: Cross multiply
   12,709.46x = 17,541.15 × 7,407.38
4. Step 4: Simplify right side
   12,709.46x = 129,933,963.69
5. Step 5: Solve for x
   x = 129,933,963.69/12,709.46
6. Step 6: Final answer
   x = 10,223.41