Finding the Fourth Proportional to 1,079.38, 1,487.72 and 892.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.38 : 1,487.72 = 892.27 : x
2. Step 2: Convert to fraction form
   1,079.38/1,487.72 = 892.27/x
3. Step 3: Cross multiply
   1,079.38x = 1,487.72 × 892.27
4. Step 4: Simplify right side
   1,079.38x = 1,327,436.02
5. Step 5: Solve for x
   x = 1,327,436.02/1,079.38
6. Step 6: Final answer
   x = 1,229.82