Finding the Fourth Proportional to 8,286.91, 12,431.27 and 2,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,286.91 : 12,431.27 = 2,443.52 : x
2. Step 2: Convert to fraction form
   8,286.91/12,431.27 = 2,443.52/x
3. Step 3: Cross multiply
   8,286.91x = 12,431.27 × 2,443.52
4. Step 4: Simplify right side
   8,286.91x = 30,376,024.13
5. Step 5: Solve for x
   x = 30,376,024.13/8,286.91
6. Step 6: Final answer
   x = 3,665.54