Finding the Fourth Proportional to 16,805.54, 23,192.24 and 9,636.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,805.54 : 23,192.24 = 9,636.57 : x
2. Step 2: Convert to fraction form
   16,805.54/23,192.24 = 9,636.57/x
3. Step 3: Cross multiply
   16,805.54x = 23,192.24 × 9,636.57
4. Step 4: Simplify right side
   16,805.54x = 223,493,644.22
5. Step 5: Solve for x
   x = 223,493,644.22/16,805.54
6. Step 6: Final answer
   x = 13,298.81