Finding the Fourth Proportional to 12,464.20, 17,200.98 and 7,160.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.20 : 17,200.98 = 7,160.08 : x
2. Step 2: Convert to fraction form
   12,464.20/17,200.98 = 7,160.08/x
3. Step 3: Cross multiply
   12,464.20x = 17,200.98 × 7,160.08
4. Step 4: Simplify right side
   12,464.20x = 123,160,392.88
5. Step 5: Solve for x
   x = 123,160,392.88/12,464.20
6. Step 6: Final answer
   x = 9,881.13