Finding the Fourth Proportional to 12,452.72, 17,182.72 and 7,743.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,452.72 : 17,182.72 = 7,743.44 : x
2. Step 2: Convert to fraction form
   12,452.72/17,182.72 = 7,743.44/x
3. Step 3: Cross multiply
   12,452.72x = 17,182.72 × 7,743.44
4. Step 4: Simplify right side
   12,452.72x = 133,053,361.36
5. Step 5: Solve for x
   x = 133,053,361.36/12,452.72
6. Step 6: Final answer
   x = 10,684.68