Finding the Fourth Proportional to 12,414.63, 17,112.46 and 9,757.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,414.63 : 17,112.46 = 9,757.47 : x
2. Step 2: Convert to fraction form
   12,414.63/17,112.46 = 9,757.47/x
3. Step 3: Cross multiply
   12,414.63x = 17,112.46 × 9,757.47
4. Step 4: Simplify right side
   12,414.63x = 166,974,315.08
5. Step 5: Solve for x
   x = 166,974,315.08/12,414.63
6. Step 6: Final answer
   x = 13,449.80