Finding the Fourth Proportional to 16,805.95, 23,192.48 and 9,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,805.95 : 23,192.48 = 9,636.50 : x
2. Step 2: Convert to fraction form
   16,805.95/23,192.48 = 9,636.50/x
3. Step 3: Cross multiply
   16,805.95x = 23,192.48 × 9,636.50
4. Step 4: Simplify right side
   16,805.95x = 223,494,333.52
5. Step 5: Solve for x
   x = 223,494,333.52/16,805.95
6. Step 6: Final answer
   x = 13,298.52