Finding the Fourth Proportional to 1,809.25, 2,496.89 and 1,023.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.25 : 2,496.89 = 1,023.30 : x
2. Step 2: Convert to fraction form
   1,809.25/2,496.89 = 1,023.30/x
3. Step 3: Cross multiply
   1,809.25x = 2,496.89 × 1,023.30
4. Step 4: Simplify right side
   1,809.25x = 2,555,067.54
5. Step 5: Solve for x
   x = 2,555,067.54/1,809.25
6. Step 6: Final answer
   x = 1,412.22