Finding the Fourth Proportional to 3,831.89, 5,744.71 and 1,983.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,831.89 : 5,744.71 = 1,983.54 : x
2. Step 2: Convert to fraction form
   3,831.89/5,744.71 = 1,983.54/x
3. Step 3: Cross multiply
   3,831.89x = 5,744.71 × 1,983.54
4. Step 4: Simplify right side
   3,831.89x = 11,394,842.62
5. Step 5: Solve for x
   x = 11,394,842.62/3,831.89
6. Step 6: Final answer
   x = 2,973.69