Finding the Fourth Proportional to 2,304.70, 3,456.18 and 744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.70 : 3,456.18 = 744.31 : x
2. Step 2: Convert to fraction form
   2,304.70/3,456.18 = 744.31/x
3. Step 3: Cross multiply
   2,304.70x = 3,456.18 × 744.31
4. Step 4: Simplify right side
   2,304.70x = 2,572,469.34
5. Step 5: Solve for x
   x = 2,572,469.34/2,304.70
6. Step 6: Final answer
   x = 1,116.18