Finding the Fourth Proportional to 16,300.50, 22,498.19 and 9,929.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.50 : 22,498.19 = 9,929.18 : x
2. Step 2: Convert to fraction form
   16,300.50/22,498.19 = 9,929.18/x
3. Step 3: Cross multiply
   16,300.50x = 22,498.19 × 9,929.18
4. Step 4: Simplify right side
   16,300.50x = 223,388,578.18
5. Step 5: Solve for x
   x = 223,388,578.18/16,300.50
6. Step 6: Final answer
   x = 13,704.40