Finding the Fourth Proportional to 2,149.69, 3,223.58 and 744.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.69 : 3,223.58 = 744.24 : x
2. Step 2: Convert to fraction form
   2,149.69/3,223.58 = 744.24/x
3. Step 3: Cross multiply
   2,149.69x = 3,223.58 × 744.24
4. Step 4: Simplify right side
   2,149.69x = 2,399,128.34
5. Step 5: Solve for x
   x = 2,399,128.34/2,149.69
6. Step 6: Final answer
   x = 1,116.03