Finding the Fourth Proportional to 1,446.47, 1,996.52 and 857.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.47 : 1,996.52 = 857.33 : x
2. Step 2: Convert to fraction form
   1,446.47/1,996.52 = 857.33/x
3. Step 3: Cross multiply
   1,446.47x = 1,996.52 × 857.33
4. Step 4: Simplify right side
   1,446.47x = 1,711,668.65
5. Step 5: Solve for x
   x = 1,711,668.65/1,446.47
6. Step 6: Final answer
   x = 1,183.35