Finding the Fourth Proportional to 16,644.50, 22,969.42 and 9,192.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,644.50 : 22,969.42 = 9,192.50 : x
2. Step 2: Convert to fraction form
   16,644.50/22,969.42 = 9,192.50/x
3. Step 3: Cross multiply
   16,644.50x = 22,969.42 × 9,192.50
4. Step 4: Simplify right side
   16,644.50x = 211,146,393.35
5. Step 5: Solve for x
   x = 211,146,393.35/16,644.50
6. Step 6: Final answer
   x = 12,685.66