Finding the Fourth Proportional to 1,447.68, 1,996.81 and 923.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.68 : 1,996.81 = 923.48 : x
2. Step 2: Convert to fraction form
   1,447.68/1,996.81 = 923.48/x
3. Step 3: Cross multiply
   1,447.68x = 1,996.81 × 923.48
4. Step 4: Simplify right side
   1,447.68x = 1,844,001.81
5. Step 5: Solve for x
   x = 1,844,001.81/1,447.68
6. Step 6: Final answer
   x = 1,273.76