Finding the Fourth Proportional to 8,411.01, 12,618.17 and 2,488

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411.01 : 12,618.17 = 2,488 : x
2. Step 2: Convert to fraction form
   8,411.01/12,618.17 = 2,488/x
3. Step 3: Cross multiply
   8,411.01x = 12,618.17 × 2,488
4. Step 4: Simplify right side
   8,411.01x = 31,394,006.96
5. Step 5: Solve for x
   x = 31,394,006.96/8,411.01
6. Step 6: Final answer
   x = 3,732.49