Finding the Fourth Proportional to 3,636.27, 5,019.26 and 2,144.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.27 : 5,019.26 = 2,144.61 : x
2. Step 2: Convert to fraction form
   3,636.27/5,019.26 = 2,144.61/x
3. Step 3: Cross multiply
   3,636.27x = 5,019.26 × 2,144.61
4. Step 4: Simplify right side
   3,636.27x = 10,764,344.47
5. Step 5: Solve for x
   x = 10,764,344.47/3,636.27
6. Step 6: Final answer
   x = 2,960.27