Finding the Fourth Proportional to 3,759.69, 5,188.38 and 2,081.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,759.69 : 5,188.38 = 2,081.17 : x
2. Step 2: Convert to fraction form
   3,759.69/5,188.38 = 2,081.17/x
3. Step 3: Cross multiply
   3,759.69x = 5,188.38 × 2,081.17
4. Step 4: Simplify right side
   3,759.69x = 10,797,900.80
5. Step 5: Solve for x
   x = 10,797,900.80/3,759.69
6. Step 6: Final answer
   x = 2,872.02