Finding the Fourth Proportional to 2,003.48, 2,766.56 and 1,258.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.48 : 2,766.56 = 1,258.73 : x
2. Step 2: Convert to fraction form
   2,003.48/2,766.56 = 1,258.73/x
3. Step 3: Cross multiply
   2,003.48x = 2,766.56 × 1,258.73
4. Step 4: Simplify right side
   2,003.48x = 3,482,331.94
5. Step 5: Solve for x
   x = 3,482,331.94/2,003.48
6. Step 6: Final answer
   x = 1,738.15