Finding the Fourth Proportional to 1,116.42, 1,541.30 and 743.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.42 : 1,541.30 = 743.92 : x
2. Step 2: Convert to fraction form
   1,116.42/1,541.30 = 743.92/x
3. Step 3: Cross multiply
   1,116.42x = 1,541.30 × 743.92
4. Step 4: Simplify right side
   1,116.42x = 1,146,603.90
5. Step 5: Solve for x
   x = 1,146,603.90/1,116.42
6. Step 6: Final answer
   x = 1,027.04