Finding the Fourth Proportional to 12,397.38, 17,101.42 and 7,356.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,397.38 : 17,101.42 = 7,356.61 : x
2. Step 2: Convert to fraction form
   12,397.38/17,101.42 = 7,356.61/x
3. Step 3: Cross multiply
   12,397.38x = 17,101.42 × 7,356.61
4. Step 4: Simplify right side
   12,397.38x = 125,808,477.39
5. Step 5: Solve for x
   x = 125,808,477.39/12,397.38
6. Step 6: Final answer
   x = 10,147.99