Finding the Fourth Proportional to 1,447.24, 1,997.50 and 923.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.24 : 1,997.50 = 923.18 : x
2. Step 2: Convert to fraction form
   1,447.24/1,997.50 = 923.18/x
3. Step 3: Cross multiply
   1,447.24x = 1,997.50 × 923.18
4. Step 4: Simplify right side
   1,447.24x = 1,844,052.05
5. Step 5: Solve for x
   x = 1,844,052.05/1,447.24
6. Step 6: Final answer
   x = 1,274.19