Finding the Fourth Proportional to 3,863.50, 5,745.55 and 3,740.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,863.50 : 5,745.55 = 3,740.49 : x
2. Step 2: Convert to fraction form
   3,863.50/5,745.55 = 3,740.49/x
3. Step 3: Cross multiply
   3,863.50x = 5,745.55 × 3,740.49
4. Step 4: Simplify right side
   3,863.50x = 21,491,143.59
5. Step 5: Solve for x
   x = 21,491,143.59/3,863.50
6. Step 6: Final answer
   x = 5,562.61