Finding the Fourth Proportional to 16,009.52, 22,092.90 and 9,636.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,009.52 : 22,092.90 = 9,636.08 : x
2. Step 2: Convert to fraction form
   16,009.52/22,092.90 = 9,636.08/x
3. Step 3: Cross multiply
   16,009.52x = 22,092.90 × 9,636.08
4. Step 4: Simplify right side
   16,009.52x = 212,888,951.83
5. Step 5: Solve for x
   x = 212,888,951.83/16,009.52
6. Step 6: Final answer
   x = 13,297.65