Finding the Fourth Proportional to 12,440.88, 17,150.27 and 9,451.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,440.88 : 17,150.27 = 9,451.52 : x
2. Step 2: Convert to fraction form
   12,440.88/17,150.27 = 9,451.52/x
3. Step 3: Cross multiply
   12,440.88x = 17,150.27 × 9,451.52
4. Step 4: Simplify right side
   12,440.88x = 162,095,986.90
5. Step 5: Solve for x
   x = 162,095,986.90/12,440.88
6. Step 6: Final answer
   x = 13,029.30