Finding the Fourth Proportional to 12,612.24, 17,402.04 and 7,575.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,612.24 : 17,402.04 = 7,575.12 : x
2. Step 2: Convert to fraction form
   12,612.24/17,402.04 = 7,575.12/x
3. Step 3: Cross multiply
   12,612.24x = 17,402.04 × 7,575.12
4. Step 4: Simplify right side
   12,612.24x = 131,822,541.24
5. Step 5: Solve for x
   x = 131,822,541.24/12,612.24
6. Step 6: Final answer
   x = 10,451.95