Finding the Fourth Proportional to 3,636.45, 5,018.95 and 2,144.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.45 : 5,018.95 = 2,144.28 : x
2. Step 2: Convert to fraction form
   3,636.45/5,018.95 = 2,144.28/x
3. Step 3: Cross multiply
   3,636.45x = 5,018.95 × 2,144.28
4. Step 4: Simplify right side
   3,636.45x = 10,762,033.41
5. Step 5: Solve for x
   x = 10,762,033.41/3,636.45
6. Step 6: Final answer
   x = 2,959.49