Finding the Fourth Proportional to 3,636.72, 5,017.95 and 2,144.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.72 : 5,017.95 = 2,144.70 : x
2. Step 2: Convert to fraction form
   3,636.72/5,017.95 = 2,144.70/x
3. Step 3: Cross multiply
   3,636.72x = 5,017.95 × 2,144.70
4. Step 4: Simplify right side
   3,636.72x = 10,761,997.37
5. Step 5: Solve for x
   x = 10,761,997.37/3,636.72
6. Step 6: Final answer
   x = 2,959.26