Finding the Fourth Proportional to 12,501.38, 17,222.24 and 8,717.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,501.38 : 17,222.24 = 8,717.67 : x
2. Step 2: Convert to fraction form
   12,501.38/17,222.24 = 8,717.67/x
3. Step 3: Cross multiply
   12,501.38x = 17,222.24 × 8,717.67
4. Step 4: Simplify right side
   12,501.38x = 150,137,826.77
5. Step 5: Solve for x
   x = 150,137,826.77/12,501.38
6. Step 6: Final answer
   x = 12,009.70