Finding the Fourth Proportional to 3,377.96, 4,661.50 and 2,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,377.96 : 4,661.50 = 2,196.80 : x
2. Step 2: Convert to fraction form
   3,377.96/4,661.50 = 2,196.80/x
3. Step 3: Cross multiply
   3,377.96x = 4,661.50 × 2,196.80
4. Step 4: Simplify right side
   3,377.96x = 10,240,383.20
5. Step 5: Solve for x
   x = 10,240,383.20/3,377.96
6. Step 6: Final answer
   x = 3,031.53