Finding the Fourth Proportional to 3,636.30, 5,017.68 and 2,144.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.30 : 5,017.68 = 2,144.10 : x
2. Step 2: Convert to fraction form
   3,636.30/5,017.68 = 2,144.10/x
3. Step 3: Cross multiply
   3,636.30x = 5,017.68 × 2,144.10
4. Step 4: Simplify right side
   3,636.30x = 10,758,407.69
5. Step 5: Solve for x
   x = 10,758,407.69/3,636.30
6. Step 6: Final answer
   x = 2,958.61