Finding the Fourth Proportional to 16,616.50, 22,929.96 and 9,901.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,616.50 : 22,929.96 = 9,901.98 : x
2. Step 2: Convert to fraction form
   16,616.50/22,929.96 = 9,901.98/x
3. Step 3: Cross multiply
   16,616.50x = 22,929.96 × 9,901.98
4. Step 4: Simplify right side
   16,616.50x = 227,052,005.32
5. Step 5: Solve for x
   x = 227,052,005.32/16,616.50
6. Step 6: Final answer
   x = 13,664.25