Finding the Fourth Proportional to 16,081.56, 22,185.14 and 10,418.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,081.56 : 22,185.14 = 10,418.21 : x
2. Step 2: Convert to fraction form
   16,081.56/22,185.14 = 10,418.21/x
3. Step 3: Cross multiply
   16,081.56x = 22,185.14 × 10,418.21
4. Step 4: Simplify right side
   16,081.56x = 231,129,284.38
5. Step 5: Solve for x
   x = 231,129,284.38/16,081.56
6. Step 6: Final answer
   x = 14,372.32