Finding the Fourth Proportional to 2,389.84, 3,297.57 and 1,327.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.84 : 3,297.57 = 1,327.43 : x
2. Step 2: Convert to fraction form
   2,389.84/3,297.57 = 1,327.43/x
3. Step 3: Cross multiply
   2,389.84x = 3,297.57 × 1,327.43
4. Step 4: Simplify right side
   2,389.84x = 4,377,293.35
5. Step 5: Solve for x
   x = 4,377,293.35/2,389.84
6. Step 6: Final answer
   x = 1,831.63