Finding the Fourth Proportional to 2,185.65, 3,276.35 and 798.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.65 : 3,276.35 = 798.12 : x
2. Step 2: Convert to fraction form
   2,185.65/3,276.35 = 798.12/x
3. Step 3: Cross multiply
   2,185.65x = 3,276.35 × 798.12
4. Step 4: Simplify right side
   2,185.65x = 2,614,919.46
5. Step 5: Solve for x
   x = 2,614,919.46/2,185.65
6. Step 6: Final answer
   x = 1,196.40