Finding the Fourth Proportional to 1,814.82, 2,504.55 and 1,028.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.82 : 2,504.55 = 1,028.91 : x
2. Step 2: Convert to fraction form
   1,814.82/2,504.55 = 1,028.91/x
3. Step 3: Cross multiply
   1,814.82x = 2,504.55 × 1,028.91
4. Step 4: Simplify right side
   1,814.82x = 2,576,956.54
5. Step 5: Solve for x
   x = 2,576,956.54/1,814.82
6. Step 6: Final answer
   x = 1,419.95