Finding the Fourth Proportional to 3,143.42, 4,716.69 and 2,224.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,143.42 : 4,716.69 = 2,224.88 : x
2. Step 2: Convert to fraction form
   3,143.42/4,716.69 = 2,224.88/x
3. Step 3: Cross multiply
   3,143.42x = 4,716.69 × 2,224.88
4. Step 4: Simplify right side
   3,143.42x = 10,494,069.25
5. Step 5: Solve for x
   x = 10,494,069.25/3,143.42
6. Step 6: Final answer
   x = 3,338.42