Finding the Fourth Proportional to 9,224.72, 12,730.12 and 5,033.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,224.72 : 12,730.12 = 5,033.20 : x
2. Step 2: Convert to fraction form
   9,224.72/12,730.12 = 5,033.20/x
3. Step 3: Cross multiply
   9,224.72x = 12,730.12 × 5,033.20
4. Step 4: Simplify right side
   9,224.72x = 64,073,239.98
5. Step 5: Solve for x
   x = 64,073,239.98/9,224.72
6. Step 6: Final answer
   x = 6,945.82