Finding the Fourth Proportional to 1,447.43, 1,996.46 and 923.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.43 : 1,996.46 = 923.23 : x
2. Step 2: Convert to fraction form
   1,447.43/1,996.46 = 923.23/x
3. Step 3: Cross multiply
   1,447.43x = 1,996.46 × 923.23
4. Step 4: Simplify right side
   1,447.43x = 1,843,181.78
5. Step 5: Solve for x
   x = 1,843,181.78/1,447.43
6. Step 6: Final answer
   x = 1,273.42