Finding the Fourth Proportional to 16,206, 22,363.72 and 9,132

Step by Step Solution

1. Step 1: Write the proportion equation
   16,206 : 22,363.72 = 9,132 : x
2. Step 2: Convert to fraction form
   16,206/22,363.72 = 9,132/x
3. Step 3: Cross multiply
   16,206x = 22,363.72 × 9,132
4. Step 4: Simplify right side
   16,206x = 204,225,491.04
5. Step 5: Solve for x
   x = 204,225,491.04/16,206
6. Step 6: Final answer
   x = 12,601.84