Finding the Fourth Proportional to 2,306.42, 3,182.88 and 1,258.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.42 : 3,182.88 = 1,258.49 : x
2. Step 2: Convert to fraction form
   2,306.42/3,182.88 = 1,258.49/x
3. Step 3: Cross multiply
   2,306.42x = 3,182.88 × 1,258.49
4. Step 4: Simplify right side
   2,306.42x = 4,005,622.65
5. Step 5: Solve for x
   x = 4,005,622.65/2,306.42
6. Step 6: Final answer
   x = 1,736.73