Finding the Fourth Proportional to 3,823.30, 5,275.72 and 2,144.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,823.30 : 5,275.72 = 2,144.49 : x
2. Step 2: Convert to fraction form
   3,823.30/5,275.72 = 2,144.49/x
3. Step 3: Cross multiply
   3,823.30x = 5,275.72 × 2,144.49
4. Step 4: Simplify right side
   3,823.30x = 11,313,728.78
5. Step 5: Solve for x
   x = 11,313,728.78/3,823.30
6. Step 6: Final answer
   x = 2,959.15