Finding the Fourth Proportional to 1,774.47, 2,448.86 and 1,028.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.47 : 2,448.86 = 1,028.30 : x
2. Step 2: Convert to fraction form
   1,774.47/2,448.86 = 1,028.30/x
3. Step 3: Cross multiply
   1,774.47x = 2,448.86 × 1,028.30
4. Step 4: Simplify right side
   1,774.47x = 2,518,145.35
5. Step 5: Solve for x
   x = 2,518,145.35/1,774.47
6. Step 6: Final answer
   x = 1,419.10