Finding the Fourth Proportional to 4,105.44, 5,667.84 and 2,831.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.44 : 5,667.84 = 2,831.31 : x
2. Step 2: Convert to fraction form
   4,105.44/5,667.84 = 2,831.31/x
3. Step 3: Cross multiply
   4,105.44x = 5,667.84 × 2,831.31
4. Step 4: Simplify right side
   4,105.44x = 16,047,412.07
5. Step 5: Solve for x
   x = 16,047,412.07/4,105.44
6. Step 6: Final answer
   x = 3,908.82