Finding the Fourth Proportional to 2,306.17, 3,182.56 and 1,258.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.17 : 3,182.56 = 1,258.23 : x
2. Step 2: Convert to fraction form
   2,306.17/3,182.56 = 1,258.23/x
3. Step 3: Cross multiply
   2,306.17x = 3,182.56 × 1,258.23
4. Step 4: Simplify right side
   2,306.17x = 4,004,389.32
5. Step 5: Solve for x
   x = 4,004,389.32/2,306.17
6. Step 6: Final answer
   x = 1,736.38