Finding the Fourth Proportional to 16,216.86, 22,379.25 and 8,764.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.86 : 22,379.25 = 8,764.86 : x
2. Step 2: Convert to fraction form
   16,216.86/22,379.25 = 8,764.86/x
3. Step 3: Cross multiply
   16,216.86x = 22,379.25 × 8,764.86
4. Step 4: Simplify right side
   16,216.86x = 196,150,881.26
5. Step 5: Solve for x
   x = 196,150,881.26/16,216.86
6. Step 6: Final answer
   x = 12,095.49