Finding the Fourth Proportional to 3,765.33, 5,196.09 and 2,086.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.33 : 5,196.09 = 2,086.65 : x
2. Step 2: Convert to fraction form
   3,765.33/5,196.09 = 2,086.65/x
3. Step 3: Cross multiply
   3,765.33x = 5,196.09 × 2,086.65
4. Step 4: Simplify right side
   3,765.33x = 10,842,421.20
5. Step 5: Solve for x
   x = 10,842,421.20/3,765.33
6. Step 6: Final answer
   x = 2,879.54