Finding the Fourth Proportional to 1,343.57, 1,852.85 and 1,028.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.57 : 1,852.85 = 1,028.85 : x
2. Step 2: Convert to fraction form
   1,343.57/1,852.85 = 1,028.85/x
3. Step 3: Cross multiply
   1,343.57x = 1,852.85 × 1,028.85
4. Step 4: Simplify right side
   1,343.57x = 1,906,304.72
5. Step 5: Solve for x
   x = 1,906,304.72/1,343.57
6. Step 6: Final answer
   x = 1,418.84