Finding the Fourth Proportional to 12,016.29, 18,024.50 and 7,882.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.29 : 18,024.50 = 7,882.55 : x
2. Step 2: Convert to fraction form
   12,016.29/18,024.50 = 7,882.55/x
3. Step 3: Cross multiply
   12,016.29x = 18,024.50 × 7,882.55
4. Step 4: Simplify right side
   12,016.29x = 142,079,022.48
5. Step 5: Solve for x
   x = 142,079,022.48/12,016.29
6. Step 6: Final answer
   x = 11,823.87