Finding the Fourth Proportional to 3,150.62, 4,720.69 and 2,224.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.62 : 4,720.69 = 2,224.28 : x
2. Step 2: Convert to fraction form
   3,150.62/4,720.69 = 2,224.28/x
3. Step 3: Cross multiply
   3,150.62x = 4,720.69 × 2,224.28
4. Step 4: Simplify right side
   3,150.62x = 10,500,136.35
5. Step 5: Solve for x
   x = 10,500,136.35/3,150.62
6. Step 6: Final answer
   x = 3,332.72