Finding the Fourth Proportional to 1,469.75, 2,028.25 and 806.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.75 : 2,028.25 = 806.61 : x
2. Step 2: Convert to fraction form
   1,469.75/2,028.25 = 806.61/x
3. Step 3: Cross multiply
   1,469.75x = 2,028.25 × 806.61
4. Step 4: Simplify right side
   1,469.75x = 1,635,992.56
5. Step 5: Solve for x
   x = 1,635,992.56/1,469.75
6. Step 6: Final answer
   x = 1,113.11