Finding the Fourth Proportional to 12,205.33, 18,309.81 and 3,882.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,205.33 : 18,309.81 = 3,882.88 : x
2. Step 2: Convert to fraction form
   12,205.33/18,309.81 = 3,882.88/x
3. Step 3: Cross multiply
   12,205.33x = 18,309.81 × 3,882.88
4. Step 4: Simplify right side
   12,205.33x = 71,094,832.50
5. Step 5: Solve for x
   x = 71,094,832.50/12,205.33
6. Step 6: Final answer
   x = 5,824.90