Finding the Fourth Proportional to 7,228.72, 10,847.18 and 2,849.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,228.72 : 10,847.18 = 2,849.25 : x
2. Step 2: Convert to fraction form
   7,228.72/10,847.18 = 2,849.25/x
3. Step 3: Cross multiply
   7,228.72x = 10,847.18 × 2,849.25
4. Step 4: Simplify right side
   7,228.72x = 30,906,375.42
5. Step 5: Solve for x
   x = 30,906,375.42/7,228.72
6. Step 6: Final answer
   x = 4,275.50