Finding the Fourth Proportional to 1,111.92, 1,658.46 and 956.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.92 : 1,658.46 = 956.04 : x
2. Step 2: Convert to fraction form
   1,111.92/1,658.46 = 956.04/x
3. Step 3: Cross multiply
   1,111.92x = 1,658.46 × 956.04
4. Step 4: Simplify right side
   1,111.92x = 1,585,554.10
5. Step 5: Solve for x
   x = 1,585,554.10/1,111.92
6. Step 6: Final answer
   x = 1,425.96