Finding the Fourth Proportional to 1,814.34, 2,503.76 and 1,028.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.34 : 2,503.76 = 1,028.34 : x
2. Step 2: Convert to fraction form
   1,814.34/2,503.76 = 1,028.34/x
3. Step 3: Cross multiply
   1,814.34x = 2,503.76 × 1,028.34
4. Step 4: Simplify right side
   1,814.34x = 2,574,716.56
5. Step 5: Solve for x
   x = 2,574,716.56/1,814.34
6. Step 6: Final answer
   x = 1,419.09