Finding the Fourth Proportional to 2,005.25, 2,766.28 and 1,258.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.25 : 2,766.28 = 1,258.84 : x
2. Step 2: Convert to fraction form
   2,005.25/2,766.28 = 1,258.84/x
3. Step 3: Cross multiply
   2,005.25x = 2,766.28 × 1,258.84
4. Step 4: Simplify right side
   2,005.25x = 3,482,303.92
5. Step 5: Solve for x
   x = 3,482,303.92/2,005.25
6. Step 6: Final answer
   x = 1,736.59