Finding the Fourth Proportional to 2,219.49, 3,315.27 and 1,629.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.49 : 3,315.27 = 1,629.27 : x
2. Step 2: Convert to fraction form
   2,219.49/3,315.27 = 1,629.27/x
3. Step 3: Cross multiply
   2,219.49x = 3,315.27 × 1,629.27
4. Step 4: Simplify right side
   2,219.49x = 5,401,469.95
5. Step 5: Solve for x
   x = 5,401,469.95/2,219.49
6. Step 6: Final answer
   x = 2,433.65