Finding the Fourth Proportional to 12,442.24, 17,169.01 and 7,661.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,442.24 : 17,169.01 = 7,661.42 : x
2. Step 2: Convert to fraction form
   12,442.24/17,169.01 = 7,661.42/x
3. Step 3: Cross multiply
   12,442.24x = 17,169.01 × 7,661.42
4. Step 4: Simplify right side
   12,442.24x = 131,538,996.59
5. Step 5: Solve for x
   x = 131,538,996.59/12,442.24
6. Step 6: Final answer
   x = 10,571.97