Finding the Fourth Proportional to 3,366.72, 4,648.37 and 2,108.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,366.72 : 4,648.37 = 2,108.30 : x
2. Step 2: Convert to fraction form
   3,366.72/4,648.37 = 2,108.30/x
3. Step 3: Cross multiply
   3,366.72x = 4,648.37 × 2,108.30
4. Step 4: Simplify right side
   3,366.72x = 9,800,124.69
5. Step 5: Solve for x
   x = 9,800,124.69/3,366.72
6. Step 6: Final answer
   x = 2,910.88