Finding the Fourth Proportional to 16,185.73, 22,336.74 and 9,112.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.73 : 22,336.74 = 9,112.42 : x
2. Step 2: Convert to fraction form
   16,185.73/22,336.74 = 9,112.42/x
3. Step 3: Cross multiply
   16,185.73x = 22,336.74 × 9,112.42
4. Step 4: Simplify right side
   16,185.73x = 203,541,756.31
5. Step 5: Solve for x
   x = 203,541,756.31/16,185.73
6. Step 6: Final answer
   x = 12,575.38