Finding the Fourth Proportional to 16,216.69, 22,367.42 and 10,540.85

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.69 : 22,367.42 = 10,540.85 : x
2. Step 2: Convert to fraction form
   16,216.69/22,367.42 = 10,540.85/x
3. Step 3: Cross multiply
   16,216.69x = 22,367.42 × 10,540.85
4. Step 4: Simplify right side
   16,216.69x = 235,771,619.11
5. Step 5: Solve for x
   x = 235,771,619.11/16,216.69
6. Step 6: Final answer
   x = 14,538.83