Finding the Fourth Proportional to 16,167.69, 22,314.14 and 9,360.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,167.69 : 22,314.14 = 9,360.72 : x
2. Step 2: Convert to fraction form
   16,167.69/22,314.14 = 9,360.72/x
3. Step 3: Cross multiply
   16,167.69x = 22,314.14 × 9,360.72
4. Step 4: Simplify right side
   16,167.69x = 208,876,416.58
5. Step 5: Solve for x
   x = 208,876,416.58/16,167.69
6. Step 6: Final answer
   x = 12,919.37