Finding the Fourth Proportional to 3,759.94, 5,188.47 and 2,081.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,759.94 : 5,188.47 = 2,081.23 : x
2. Step 2: Convert to fraction form
   3,759.94/5,188.47 = 2,081.23/x
3. Step 3: Cross multiply
   3,759.94x = 5,188.47 × 2,081.23
4. Step 4: Simplify right side
   3,759.94x = 10,798,399.42
5. Step 5: Solve for x
   x = 10,798,399.42/3,759.94
6. Step 6: Final answer
   x = 2,871.96