Finding the Fourth Proportional to 1,446.66, 1,996.55 and 817.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.66 : 1,996.55 = 817.29 : x
2. Step 2: Convert to fraction form
   1,446.66/1,996.55 = 817.29/x
3. Step 3: Cross multiply
   1,446.66x = 1,996.55 × 817.29
4. Step 4: Simplify right side
   1,446.66x = 1,631,759.33
5. Step 5: Solve for x
   x = 1,631,759.33/1,446.66
6. Step 6: Final answer
   x = 1,127.95