Finding the Fourth Proportional to 10,224.72, 15,315.50 and 4,682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,224.72 : 15,315.50 = 4,682.72 : x
2. Step 2: Convert to fraction form
   10,224.72/15,315.50 = 4,682.72/x
3. Step 3: Cross multiply
   10,224.72x = 15,315.50 × 4,682.72
4. Step 4: Simplify right side
   10,224.72x = 71,718,198.16
5. Step 5: Solve for x
   x = 71,718,198.16/10,224.72
6. Step 6: Final answer
   x = 7,014.20