Finding the Fourth Proportional to 1,814.29, 2,503.91 and 1,028.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.29 : 2,503.91 = 1,028.25 : x
2. Step 2: Convert to fraction form
   1,814.29/2,503.91 = 1,028.25/x
3. Step 3: Cross multiply
   1,814.29x = 2,503.91 × 1,028.25
4. Step 4: Simplify right side
   1,814.29x = 2,574,648.03
5. Step 5: Solve for x
   x = 2,574,648.03/1,814.29
6. Step 6: Final answer
   x = 1,419.10