Finding the Fourth Proportional to 2,297.42, 3,440.64 and 1,255.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.42 : 3,440.64 = 1,255.86 : x
2. Step 2: Convert to fraction form
   2,297.42/3,440.64 = 1,255.86/x
3. Step 3: Cross multiply
   2,297.42x = 3,440.64 × 1,255.86
4. Step 4: Simplify right side
   2,297.42x = 4,320,962.15
5. Step 5: Solve for x
   x = 4,320,962.15/2,297.42
6. Step 6: Final answer
   x = 1,880.79