Finding the Fourth Proportional to 16,709.84, 23,061.68 and 9,636.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,709.84 : 23,061.68 = 9,636.32 : x
2. Step 2: Convert to fraction form
   16,709.84/23,061.68 = 9,636.32/x
3. Step 3: Cross multiply
   16,709.84x = 23,061.68 × 9,636.32
4. Step 4: Simplify right side
   16,709.84x = 222,229,728.22
5. Step 5: Solve for x
   x = 222,229,728.22/16,709.84
6. Step 6: Final answer
   x = 13,299.33