Finding the Fourth Proportional to 16,185.33, 22,335.44 and 9,111.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.33 : 22,335.44 = 9,111.60 : x
2. Step 2: Convert to fraction form
   16,185.33/22,335.44 = 9,111.60/x
3. Step 3: Cross multiply
   16,185.33x = 22,335.44 × 9,111.60
4. Step 4: Simplify right side
   16,185.33x = 203,511,549.55
5. Step 5: Solve for x
   x = 203,511,549.55/16,185.33
6. Step 6: Final answer
   x = 12,573.83