Finding the Fourth Proportional to 2,320.71, 3,202.56 and 1,258.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.71 : 3,202.56 = 1,258.48 : x
2. Step 2: Convert to fraction form
   2,320.71/3,202.56 = 1,258.48/x
3. Step 3: Cross multiply
   2,320.71x = 3,202.56 × 1,258.48
4. Step 4: Simplify right side
   2,320.71x = 4,030,341.70
5. Step 5: Solve for x
   x = 4,030,341.70/2,320.71
6. Step 6: Final answer
   x = 1,736.68