Finding the Fourth Proportional to 3,314.72, 4,974.36 and 2,144.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,314.72 : 4,974.36 = 2,144.22 : x
2. Step 2: Convert to fraction form
   3,314.72/4,974.36 = 2,144.22/x
3. Step 3: Cross multiply
   3,314.72x = 4,974.36 × 2,144.22
4. Step 4: Simplify right side
   3,314.72x = 10,666,135.55
5. Step 5: Solve for x
   x = 10,666,135.55/3,314.72
6. Step 6: Final answer
   x = 3,217.81