Finding the Fourth Proportional to 2,028.06, 2,795.85 and 1,438.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.06 : 2,795.85 = 1,438.38 : x
2. Step 2: Convert to fraction form
   2,028.06/2,795.85 = 1,438.38/x
3. Step 3: Cross multiply
   2,028.06x = 2,795.85 × 1,438.38
4. Step 4: Simplify right side
   2,028.06x = 4,021,494.72
5. Step 5: Solve for x
   x = 4,021,494.72/2,028.06
6. Step 6: Final answer
   x = 1,982.93