Finding the Fourth Proportional to 16,185.23, 22,336.04 and 9,111.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.23 : 22,336.04 = 9,111.91 : x
2. Step 2: Convert to fraction form
   16,185.23/22,336.04 = 9,111.91/x
3. Step 3: Cross multiply
   16,185.23x = 22,336.04 × 9,111.91
4. Step 4: Simplify right side
   16,185.23x = 203,523,829.00
5. Step 5: Solve for x
   x = 203,523,829.00/16,185.23
6. Step 6: Final answer
   x = 12,574.66