Finding the Fourth Proportional to 13,052.27, 18,002.82 and 9,217.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,052.27 : 18,002.82 = 9,217.73 : x
2. Step 2: Convert to fraction form
   13,052.27/18,002.82 = 9,217.73/x
3. Step 3: Cross multiply
   13,052.27x = 18,002.82 × 9,217.73
4. Step 4: Simplify right side
   13,052.27x = 165,945,134.00
5. Step 5: Solve for x
   x = 165,945,134.00/13,052.27
6. Step 6: Final answer
   x = 12,713.89