Finding the Fourth Proportional to 2,297.16, 3,443.46 and 909.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.16 : 3,443.46 = 909.68 : x
2. Step 2: Convert to fraction form
   2,297.16/3,443.46 = 909.68/x
3. Step 3: Cross multiply
   2,297.16x = 3,443.46 × 909.68
4. Step 4: Simplify right side
   2,297.16x = 3,132,446.69
5. Step 5: Solve for x
   x = 3,132,446.69/2,297.16
6. Step 6: Final answer
   x = 1,363.62