Finding the Fourth Proportional to 2,554.42, 3,831.62 and 1,443.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.42 : 3,831.62 = 1,443.33 : x
2. Step 2: Convert to fraction form
   2,554.42/3,831.62 = 1,443.33/x
3. Step 3: Cross multiply
   2,554.42x = 3,831.62 × 1,443.33
4. Step 4: Simplify right side
   2,554.42x = 5,530,294.46
5. Step 5: Solve for x
   x = 5,530,294.46/2,554.42
6. Step 6: Final answer
   x = 2,164.99