Finding the Fourth Proportional to 3,952.87, 5,932.89 and 2,105.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,952.87 : 5,932.89 = 2,105.55 : x
2. Step 2: Convert to fraction form
   3,952.87/5,932.89 = 2,105.55/x
3. Step 3: Cross multiply
   3,952.87x = 5,932.89 × 2,105.55
4. Step 4: Simplify right side
   3,952.87x = 12,491,996.54
5. Step 5: Solve for x
   x = 12,491,996.54/3,952.87
6. Step 6: Final answer
   x = 3,160.24