Finding the Fourth Proportional to 1,116.27, 1,541.04 and 867.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.27 : 1,541.04 = 867.03 : x
2. Step 2: Convert to fraction form
   1,116.27/1,541.04 = 867.03/x
3. Step 3: Cross multiply
   1,116.27x = 1,541.04 × 867.03
4. Step 4: Simplify right side
   1,116.27x = 1,336,127.91
5. Step 5: Solve for x
   x = 1,336,127.91/1,116.27
6. Step 6: Final answer
   x = 1,196.96