Finding the Fourth Proportional to 8,185.28, 12,282.77 and 3,253.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185.28 : 12,282.77 = 3,253.59 : x
2. Step 2: Convert to fraction form
   8,185.28/12,282.77 = 3,253.59/x
3. Step 3: Cross multiply
   8,185.28x = 12,282.77 × 3,253.59
4. Step 4: Simplify right side
   8,185.28x = 39,963,105.78
5. Step 5: Solve for x
   x = 39,963,105.78/8,185.28
6. Step 6: Final answer
   x = 4,882.32