Finding the Fourth Proportional to 2,389.57, 3,297.27 and 1,327.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.57 : 3,297.27 = 1,327.26 : x
2. Step 2: Convert to fraction form
   2,389.57/3,297.27 = 1,327.26/x
3. Step 3: Cross multiply
   2,389.57x = 3,297.27 × 1,327.26
4. Step 4: Simplify right side
   2,389.57x = 4,376,318.09
5. Step 5: Solve for x
   x = 4,376,318.09/2,389.57
6. Step 6: Final answer
   x = 1,831.42