Finding the Fourth Proportional to 1,469.66, 2,028.17 and 806.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.66 : 2,028.17 = 806.55 : x
2. Step 2: Convert to fraction form
   1,469.66/2,028.17 = 806.55/x
3. Step 3: Cross multiply
   1,469.66x = 2,028.17 × 806.55
4. Step 4: Simplify right side
   1,469.66x = 1,635,820.51
5. Step 5: Solve for x
   x = 1,635,820.51/1,469.66
6. Step 6: Final answer
   x = 1,113.06