Finding the Fourth Proportional to 2,306.30, 3,182.60 and 1,258.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.30 : 3,182.60 = 1,258.34 : x
2. Step 2: Convert to fraction form
   2,306.30/3,182.60 = 1,258.34/x
3. Step 3: Cross multiply
   2,306.30x = 3,182.60 × 1,258.34
4. Step 4: Simplify right side
   2,306.30x = 4,004,780.12
5. Step 5: Solve for x
   x = 4,004,780.12/2,306.30
6. Step 6: Final answer
   x = 1,736.46