Finding the Fourth Proportional to 16,355.56, 22,570.32 and 9,185.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,355.56 : 22,570.32 = 9,185.62 : x
2. Step 2: Convert to fraction form
   16,355.56/22,570.32 = 9,185.62/x
3. Step 3: Cross multiply
   16,355.56x = 22,570.32 × 9,185.62
4. Step 4: Simplify right side
   16,355.56x = 207,322,382.80
5. Step 5: Solve for x
   x = 207,322,382.80/16,355.56
6. Step 6: Final answer
   x = 12,675.96