Finding the Fourth Proportional to 2,614.28, 3,922.56 and 1,227.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.28 : 3,922.56 = 1,227.96 : x
2. Step 2: Convert to fraction form
   2,614.28/3,922.56 = 1,227.96/x
3. Step 3: Cross multiply
   2,614.28x = 3,922.56 × 1,227.96
4. Step 4: Simplify right side
   2,614.28x = 4,816,746.78
5. Step 5: Solve for x
   x = 4,816,746.78/2,614.28
6. Step 6: Final answer
   x = 1,842.48