Finding the Fourth Proportional to 1,774.82, 2,449.34 and 1,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.82 : 2,449.34 = 1,028.72 : x
2. Step 2: Convert to fraction form
   1,774.82/2,449.34 = 1,028.72/x
3. Step 3: Cross multiply
   1,774.82x = 2,449.34 × 1,028.72
4. Step 4: Simplify right side
   1,774.82x = 2,519,689.88
5. Step 5: Solve for x
   x = 2,519,689.88/1,774.82
6. Step 6: Final answer
   x = 1,419.69