Finding the Fourth Proportional to 12,648.98, 17,462.45 and 7,614.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.98 : 17,462.45 = 7,614.43 : x
2. Step 2: Convert to fraction form
   12,648.98/17,462.45 = 7,614.43/x
3. Step 3: Cross multiply
   12,648.98x = 17,462.45 × 7,614.43
4. Step 4: Simplify right side
   12,648.98x = 132,966,578.53
5. Step 5: Solve for x
   x = 132,966,578.53/12,648.98
6. Step 6: Final answer
   x = 10,512.04