Finding the Fourth Proportional to 1,444.24, 1,993.24 and 884.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.24 : 1,993.24 = 884.78 : x
2. Step 2: Convert to fraction form
   1,444.24/1,993.24 = 884.78/x
3. Step 3: Cross multiply
   1,444.24x = 1,993.24 × 884.78
4. Step 4: Simplify right side
   1,444.24x = 1,763,578.89
5. Step 5: Solve for x
   x = 1,763,578.89/1,444.24
6. Step 6: Final answer
   x = 1,221.11