Finding the Fourth Proportional to 1,443.62, 1,992.24 and 884.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.62 : 1,992.24 = 884.34 : x
2. Step 2: Convert to fraction form
   1,443.62/1,992.24 = 884.34/x
3. Step 3: Cross multiply
   1,443.62x = 1,992.24 × 884.34
4. Step 4: Simplify right side
   1,443.62x = 1,761,817.52
5. Step 5: Solve for x
   x = 1,761,817.52/1,443.62
6. Step 6: Final answer
   x = 1,220.42