Finding the Fourth Proportional to 1,443.71, 1,992.16 and 884.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.71 : 1,992.16 = 884.33 : x
2. Step 2: Convert to fraction form
   1,443.71/1,992.16 = 884.33/x
3. Step 3: Cross multiply
   1,443.71x = 1,992.16 × 884.33
4. Step 4: Simplify right side
   1,443.71x = 1,761,726.85
5. Step 5: Solve for x
   x = 1,761,726.85/1,443.71
6. Step 6: Final answer
   x = 1,220.28