Finding the Fourth Proportional to 12,441.24, 17,167.63 and 7,660.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,441.24 : 17,167.63 = 7,660.42 : x
2. Step 2: Convert to fraction form
   12,441.24/17,167.63 = 7,660.42/x
3. Step 3: Cross multiply
   12,441.24x = 17,167.63 × 7,660.42
4. Step 4: Simplify right side
   12,441.24x = 131,511,256.20
5. Step 5: Solve for x
   x = 131,511,256.20/12,441.24
6. Step 6: Final answer
   x = 10,570.59