Finding the Fourth Proportional to 12,411.28, 17,126.04 and 7,375.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.28 : 17,126.04 = 7,375.60 : x
2. Step 2: Convert to fraction form
   12,411.28/17,126.04 = 7,375.60/x
3. Step 3: Cross multiply
   12,411.28x = 17,126.04 × 7,375.60
4. Step 4: Simplify right side
   12,411.28x = 126,314,820.62
5. Step 5: Solve for x
   x = 126,314,820.62/12,411.28
6. Step 6: Final answer
   x = 10,177.42