Finding the Fourth Proportional to 2,667, 3,997.98 and 2,020.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667 : 3,997.98 = 2,020.56 : x
2. Step 2: Convert to fraction form
   2,667/3,997.98 = 2,020.56/x
3. Step 3: Cross multiply
   2,667x = 3,997.98 × 2,020.56
4. Step 4: Simplify right side
   2,667x = 8,078,158.47
5. Step 5: Solve for x
   x = 8,078,158.47/2,667
6. Step 6: Final answer
   x = 3,028.93