Finding the Fourth Proportional to 3,856.36, 5,744.66 and 3,740.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.36 : 5,744.66 = 3,740.16 : x
2. Step 2: Convert to fraction form
   3,856.36/5,744.66 = 3,740.16/x
3. Step 3: Cross multiply
   3,856.36x = 5,744.66 × 3,740.16
4. Step 4: Simplify right side
   3,856.36x = 21,485,947.55
5. Step 5: Solve for x
   x = 21,485,947.55/3,856.36
6. Step 6: Final answer
   x = 5,571.56