Finding the Fourth Proportional to 8,086.88, 12,133.33 and 3,643.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.88 : 12,133.33 = 3,643.21 : x
2. Step 2: Convert to fraction form
   8,086.88/12,133.33 = 3,643.21/x
3. Step 3: Cross multiply
   8,086.88x = 12,133.33 × 3,643.21
4. Step 4: Simplify right side
   8,086.88x = 44,204,253.50
5. Step 5: Solve for x
   x = 44,204,253.50/8,086.88
6. Step 6: Final answer
   x = 5,466.17