Finding the Fourth Proportional to 3,288.17, 4,537.61 and 2,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288.17 : 4,537.61 = 2,028.72 : x
2. Step 2: Convert to fraction form
   3,288.17/4,537.61 = 2,028.72/x
3. Step 3: Cross multiply
   3,288.17x = 4,537.61 × 2,028.72
4. Step 4: Simplify right side
   3,288.17x = 9,205,540.16
5. Step 5: Solve for x
   x = 9,205,540.16/3,288.17
6. Step 6: Final answer
   x = 2,799.59