Finding the Fourth Proportional to 1,774.43, 2,449.25 and 1,028.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.43 : 2,449.25 = 1,028.57 : x
2. Step 2: Convert to fraction form
   1,774.43/2,449.25 = 1,028.57/x
3. Step 3: Cross multiply
   1,774.43x = 2,449.25 × 1,028.57
4. Step 4: Simplify right side
   1,774.43x = 2,519,225.07
5. Step 5: Solve for x
   x = 2,519,225.07/1,774.43
6. Step 6: Final answer
   x = 1,419.74