Finding the Fourth Proportional to 12,086.31, 18,112.45 and 9,610.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.31 : 18,112.45 = 9,610.14 : x
2. Step 2: Convert to fraction form
   12,086.31/18,112.45 = 9,610.14/x
3. Step 3: Cross multiply
   12,086.31x = 18,112.45 × 9,610.14
4. Step 4: Simplify right side
   12,086.31x = 174,063,180.24
5. Step 5: Solve for x
   x = 174,063,180.24/12,086.31
6. Step 6: Final answer
   x = 14,401.68