Finding the Fourth Proportional to 2,253.24, 3,109.32 and 1,258.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.24 : 3,109.32 = 1,258.56 : x
2. Step 2: Convert to fraction form
   2,253.24/3,109.32 = 1,258.56/x
3. Step 3: Cross multiply
   2,253.24x = 3,109.32 × 1,258.56
4. Step 4: Simplify right side
   2,253.24x = 3,913,265.78
5. Step 5: Solve for x
   x = 3,913,265.78/2,253.24
6. Step 6: Final answer
   x = 1,736.73