Finding the Fourth Proportional to 3,636.42, 5,018.22 and 2,144.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.42 : 5,018.22 = 2,144.40 : x
2. Step 2: Convert to fraction form
   3,636.42/5,018.22 = 2,144.40/x
3. Step 3: Cross multiply
   3,636.42x = 5,018.22 × 2,144.40
4. Step 4: Simplify right side
   3,636.42x = 10,761,070.97
5. Step 5: Solve for x
   x = 10,761,070.97/3,636.42
6. Step 6: Final answer
   x = 2,959.25