Finding the Fourth Proportional to 3,952.89, 5,455.54 and 2,274.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,952.89 : 5,455.54 = 2,274.27 : x
2. Step 2: Convert to fraction form
   3,952.89/5,455.54 = 2,274.27/x
3. Step 3: Cross multiply
   3,952.89x = 5,455.54 × 2,274.27
4. Step 4: Simplify right side
   3,952.89x = 12,407,365.27
5. Step 5: Solve for x
   x = 12,407,365.27/3,952.89
6. Step 6: Final answer
   x = 3,138.81