Finding the Fourth Proportional to 12,464.24, 17,200.66 and 7,159.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.24 : 17,200.66 = 7,159.40 : x
2. Step 2: Convert to fraction form
   12,464.24/17,200.66 = 7,159.40/x
3. Step 3: Cross multiply
   12,464.24x = 17,200.66 × 7,159.40
4. Step 4: Simplify right side
   12,464.24x = 123,146,405.20
5. Step 5: Solve for x
   x = 123,146,405.20/12,464.24
6. Step 6: Final answer
   x = 9,879.98