Finding the Fourth Proportional to 16,109.07, 22,229.80 and 9,737.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,109.07 : 22,229.80 = 9,737.20 : x
2. Step 2: Convert to fraction form
   16,109.07/22,229.80 = 9,737.20/x
3. Step 3: Cross multiply
   16,109.07x = 22,229.80 × 9,737.20
4. Step 4: Simplify right side
   16,109.07x = 216,456,008.56
5. Step 5: Solve for x
   x = 216,456,008.56/16,109.07
6. Step 6: Final answer
   x = 13,436.90