Finding the Fourth Proportional to 3,291.69, 4,540.84 and 2,229.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,291.69 : 4,540.84 = 2,229.49 : x
2. Step 2: Convert to fraction form
   3,291.69/4,540.84 = 2,229.49/x
3. Step 3: Cross multiply
   3,291.69x = 4,540.84 × 2,229.49
4. Step 4: Simplify right side
   3,291.69x = 10,123,757.37
5. Step 5: Solve for x
   x = 10,123,757.37/3,291.69
6. Step 6: Final answer
   x = 3,075.55