Finding the Fourth Proportional to 3,535.82, 4,880.38 and 2,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535.82 : 4,880.38 = 2,208.72 : x
2. Step 2: Convert to fraction form
   3,535.82/4,880.38 = 2,208.72/x
3. Step 3: Cross multiply
   3,535.82x = 4,880.38 × 2,208.72
4. Step 4: Simplify right side
   3,535.82x = 10,779,392.91
5. Step 5: Solve for x
   x = 10,779,392.91/3,535.82
6. Step 6: Final answer
   x = 3,048.63