Finding the Fourth Proportional to 1,469.97, 2,028.54 and 806.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.97 : 2,028.54 = 806.82 : x
2. Step 2: Convert to fraction form
   1,469.97/2,028.54 = 806.82/x
3. Step 3: Cross multiply
   1,469.97x = 2,028.54 × 806.82
4. Step 4: Simplify right side
   1,469.97x = 1,636,666.64
5. Step 5: Solve for x
   x = 1,636,666.64/1,469.97
6. Step 6: Final answer
   x = 1,113.40