Finding the Fourth Proportional to 5,561.50, 7,671.33 and 3,882.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,561.50 : 7,671.33 = 3,882.30 : x
2. Step 2: Convert to fraction form
   5,561.50/7,671.33 = 3,882.30/x
3. Step 3: Cross multiply
   5,561.50x = 7,671.33 × 3,882.30
4. Step 4: Simplify right side
   5,561.50x = 29,782,404.46
5. Step 5: Solve for x
   x = 29,782,404.46/5,561.50
6. Step 6: Final answer
   x = 5,355.10