Finding the Fourth Proportional to 2,003.32, 2,766.33 and 1,258.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.32 : 2,766.33 = 1,258.57 : x
2. Step 2: Convert to fraction form
   2,003.32/2,766.33 = 1,258.57/x
3. Step 3: Cross multiply
   2,003.32x = 2,766.33 × 1,258.57
4. Step 4: Simplify right side
   2,003.32x = 3,481,619.95
5. Step 5: Solve for x
   x = 3,481,619.95/2,003.32
6. Step 6: Final answer
   x = 1,737.93