Finding the Fourth Proportional to 3,791.33, 5,681.61 and 2,144.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,791.33 : 5,681.61 = 2,144.42 : x
2. Step 2: Convert to fraction form
   3,791.33/5,681.61 = 2,144.42/x
3. Step 3: Cross multiply
   3,791.33x = 5,681.61 × 2,144.42
4. Step 4: Simplify right side
   3,791.33x = 12,183,729.71
5. Step 5: Solve for x
   x = 12,183,729.71/3,791.33
6. Step 6: Final answer
   x = 3,213.58