Finding the Fourth Proportional to 8,288.34, 12,431.16 and 2,443.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,288.34 : 12,431.16 = 2,443.61 : x
2. Step 2: Convert to fraction form
   8,288.34/12,431.16 = 2,443.61/x
3. Step 3: Cross multiply
   8,288.34x = 12,431.16 × 2,443.61
4. Step 4: Simplify right side
   8,288.34x = 30,376,844.73
5. Step 5: Solve for x
   x = 30,376,844.73/8,288.34
6. Step 6: Final answer
   x = 3,665.01