Finding the Fourth Proportional to 16,185.48, 22,336.38 and 9,112.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.48 : 22,336.38 = 9,112.16 : x
2. Step 2: Convert to fraction form
   16,185.48/22,336.38 = 9,112.16/x
3. Step 3: Cross multiply
   16,185.48x = 22,336.38 × 9,112.16
4. Step 4: Simplify right side
   16,185.48x = 203,532,556.70
5. Step 5: Solve for x
   x = 203,532,556.70/16,185.48
6. Step 6: Final answer
   x = 12,575.01