Finding the Fourth Proportional to 3,856.28, 5,330.41 and 3,550.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.28 : 5,330.41 = 3,550.10 : x
2. Step 2: Convert to fraction form
   3,856.28/5,330.41 = 3,550.10/x
3. Step 3: Cross multiply
   3,856.28x = 5,330.41 × 3,550.10
4. Step 4: Simplify right side
   3,856.28x = 18,923,453.01
5. Step 5: Solve for x
   x = 18,923,453.01/3,856.28
6. Step 6: Final answer
   x = 4,907.18