Finding the Fourth Proportional to 8,227.82, 12,340.46 and 2,681.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,227.82 : 12,340.46 = 2,681.15 : x
2. Step 2: Convert to fraction form
   8,227.82/12,340.46 = 2,681.15/x
3. Step 3: Cross multiply
   8,227.82x = 12,340.46 × 2,681.15
4. Step 4: Simplify right side
   8,227.82x = 33,086,549.22
5. Step 5: Solve for x
   x = 33,086,549.22/8,227.82
6. Step 6: Final answer
   x = 4,021.30