Finding the Fourth Proportional to 16,436.70, 22,681.98 and 9,362.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436.70 : 22,681.98 = 9,362.52 : x
2. Step 2: Convert to fraction form
   16,436.70/22,681.98 = 9,362.52/x
3. Step 3: Cross multiply
   16,436.70x = 22,681.98 × 9,362.52
4. Step 4: Simplify right side
   16,436.70x = 212,360,491.39
5. Step 5: Solve for x
   x = 212,360,491.39/16,436.70
6. Step 6: Final answer
   x = 12,919.90