Finding the Fourth Proportional to 8,561.32, 12,829.35 and 3,882.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,561.32 : 12,829.35 = 3,882.76 : x
2. Step 2: Convert to fraction form
   8,561.32/12,829.35 = 3,882.76/x
3. Step 3: Cross multiply
   8,561.32x = 12,829.35 × 3,882.76
4. Step 4: Simplify right side
   8,561.32x = 49,813,287.01
5. Step 5: Solve for x
   x = 49,813,287.01/8,561.32
6. Step 6: Final answer
   x = 5,818.41