Finding the Fourth Proportional to 1,443.52, 1,992.04 and 884.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.52 : 1,992.04 = 884.96 : x
2. Step 2: Convert to fraction form
   1,443.52/1,992.04 = 884.96/x
3. Step 3: Cross multiply
   1,443.52x = 1,992.04 × 884.96
4. Step 4: Simplify right side
   1,443.52x = 1,762,875.72
5. Step 5: Solve for x
   x = 1,762,875.72/1,443.52
6. Step 6: Final answer
   x = 1,221.23