Finding the Fourth Proportional to 12,016.28, 18,024.48 and 7,882.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.28 : 18,024.48 = 7,882.47 : x
2. Step 2: Convert to fraction form
   12,016.28/18,024.48 = 7,882.47/x
3. Step 3: Cross multiply
   12,016.28x = 18,024.48 × 7,882.47
4. Step 4: Simplify right side
   12,016.28x = 142,077,422.87
5. Step 5: Solve for x
   x = 142,077,422.87/12,016.28
6. Step 6: Final answer
   x = 11,823.74