Finding the Fourth Proportional to 1,774.20, 2,448.18 and 1,028.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.20 : 2,448.18 = 1,028.06 : x
2. Step 2: Convert to fraction form
   1,774.20/2,448.18 = 1,028.06/x
3. Step 3: Cross multiply
   1,774.20x = 2,448.18 × 1,028.06
4. Step 4: Simplify right side
   1,774.20x = 2,516,863.69
5. Step 5: Solve for x
   x = 2,516,863.69/1,774.20
6. Step 6: Final answer
   x = 1,418.59