Finding the Fourth Proportional to 16,198.47, 22,355.03 and 9,124.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,198.47 : 22,355.03 = 9,124.89 : x
2. Step 2: Convert to fraction form
   16,198.47/22,355.03 = 9,124.89/x
3. Step 3: Cross multiply
   16,198.47x = 22,355.03 × 9,124.89
4. Step 4: Simplify right side
   16,198.47x = 203,987,189.70
5. Step 5: Solve for x
   x = 203,987,189.70/16,198.47
6. Step 6: Final answer
   x = 12,592.99