Finding the Fourth Proportional to 2,667.68, 3,982.33 and 2,119.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.68 : 3,982.33 = 2,119.10 : x
2. Step 2: Convert to fraction form
   2,667.68/3,982.33 = 2,119.10/x
3. Step 3: Cross multiply
   2,667.68x = 3,982.33 × 2,119.10
4. Step 4: Simplify right side
   2,667.68x = 8,438,955.50
5. Step 5: Solve for x
   x = 8,438,955.50/2,667.68
6. Step 6: Final answer
   x = 3,163.41