Finding the Fourth Proportional to 1,814.04, 2,503.30 and 1,028.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.04 : 2,503.30 = 1,028.10 : x
2. Step 2: Convert to fraction form
   1,814.04/2,503.30 = 1,028.10/x
3. Step 3: Cross multiply
   1,814.04x = 2,503.30 × 1,028.10
4. Step 4: Simplify right side
   1,814.04x = 2,573,642.73
5. Step 5: Solve for x
   x = 2,573,642.73/1,814.04
6. Step 6: Final answer
   x = 1,418.74