Finding the Fourth Proportional to 12,443.24, 17,170.41 and 7,662.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,443.24 : 17,170.41 = 7,662.41 : x
2. Step 2: Convert to fraction form
   12,443.24/17,170.41 = 7,662.41/x
3. Step 3: Cross multiply
   12,443.24x = 17,170.41 × 7,662.41
4. Step 4: Simplify right side
   12,443.24x = 131,566,764.21
5. Step 5: Solve for x
   x = 131,566,764.21/12,443.24
6. Step 6: Final answer
   x = 10,573.36