Finding the Fourth Proportional to 2,028.85, 2,800.17 and 1,936.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.85 : 2,800.17 = 1,936.51 : x
2. Step 2: Convert to fraction form
   2,028.85/2,800.17 = 1,936.51/x
3. Step 3: Cross multiply
   2,028.85x = 2,800.17 × 1,936.51
4. Step 4: Simplify right side
   2,028.85x = 5,422,557.21
5. Step 5: Solve for x
   x = 5,422,557.21/2,028.85
6. Step 6: Final answer
   x = 2,672.72