Finding the Fourth Proportional to 2,196.35, 3,295.49 and 809.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.35 : 3,295.49 = 809.36 : x
2. Step 2: Convert to fraction form
   2,196.35/3,295.49 = 809.36/x
3. Step 3: Cross multiply
   2,196.35x = 3,295.49 × 809.36
4. Step 4: Simplify right side
   2,196.35x = 2,667,217.26
5. Step 5: Solve for x
   x = 2,667,217.26/2,196.35
6. Step 6: Final answer
   x = 1,214.39