Finding the Fourth Proportional to 13,229.05, 18,255.52 and 7,260.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,229.05 : 18,255.52 = 7,260.82 : x
2. Step 2: Convert to fraction form
   13,229.05/18,255.52 = 7,260.82/x
3. Step 3: Cross multiply
   13,229.05x = 18,255.52 × 7,260.82
4. Step 4: Simplify right side
   13,229.05x = 132,550,044.73
5. Step 5: Solve for x
   x = 132,550,044.73/13,229.05
6. Step 6: Final answer
   x = 10,019.62