Finding the Fourth Proportional to 6,465.25, 9,698.79 and 2,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,465.25 : 9,698.79 = 2,081.69 : x
2. Step 2: Convert to fraction form
   6,465.25/9,698.79 = 2,081.69/x
3. Step 3: Cross multiply
   6,465.25x = 9,698.79 × 2,081.69
4. Step 4: Simplify right side
   6,465.25x = 20,189,815.25
5. Step 5: Solve for x
   x = 20,189,815.25/6,465.25
6. Step 6: Final answer
   x = 3,122.82