Finding the Fourth Proportional to 12,427.72, 17,150.07 and 7,394.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.72 : 17,150.07 = 7,394.38 : x
2. Step 2: Convert to fraction form
   12,427.72/17,150.07 = 7,394.38/x
3. Step 3: Cross multiply
   12,427.72x = 17,150.07 × 7,394.38
4. Step 4: Simplify right side
   12,427.72x = 126,814,134.61
5. Step 5: Solve for x
   x = 126,814,134.61/12,427.72
6. Step 6: Final answer
   x = 10,204.14