Finding the Fourth Proportional to 2,297.86, 3,171.06 and 1,249.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.86 : 3,171.06 = 1,249.92 : x
2. Step 2: Convert to fraction form
   2,297.86/3,171.06 = 1,249.92/x
3. Step 3: Cross multiply
   2,297.86x = 3,171.06 × 1,249.92
4. Step 4: Simplify right side
   2,297.86x = 3,963,571.32
5. Step 5: Solve for x
   x = 3,963,571.32/2,297.86
6. Step 6: Final answer
   x = 1,724.90