Finding the Fourth Proportional to 12,454.24, 17,180.28 and 7,414.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,454.24 : 17,180.28 = 7,414.88 : x
2. Step 2: Convert to fraction form
   12,454.24/17,180.28 = 7,414.88/x
3. Step 3: Cross multiply
   12,454.24x = 17,180.28 × 7,414.88
4. Step 4: Simplify right side
   12,454.24x = 127,389,714.57
5. Step 5: Solve for x
   x = 127,389,714.57/12,454.24
6. Step 6: Final answer
   x = 10,228.62