Finding the Fourth Proportional to 2,243.97, 3,096.78 and 1,249.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.97 : 3,096.78 = 1,249.31 : x
2. Step 2: Convert to fraction form
   2,243.97/3,096.78 = 1,249.31/x
3. Step 3: Cross multiply
   2,243.97x = 3,096.78 × 1,249.31
4. Step 4: Simplify right side
   2,243.97x = 3,868,831.98
5. Step 5: Solve for x
   x = 3,868,831.98/2,243.97
6. Step 6: Final answer
   x = 1,724.11