Finding the Fourth Proportional to 3,986.52, 5,500.56 and 2,307.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.52 : 5,500.56 = 2,307.30 : x
2. Step 2: Convert to fraction form
   3,986.52/5,500.56 = 2,307.30/x
3. Step 3: Cross multiply
   3,986.52x = 5,500.56 × 2,307.30
4. Step 4: Simplify right side
   3,986.52x = 12,691,442.09
5. Step 5: Solve for x
   x = 12,691,442.09/3,986.52
6. Step 6: Final answer
   x = 3,183.59