Finding the Fourth Proportional to 16,216.50, 22,378.77 and 8,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.50 : 22,378.77 = 8,764.50 : x
2. Step 2: Convert to fraction form
   16,216.50/22,378.77 = 8,764.50/x
3. Step 3: Cross multiply
   16,216.50x = 22,378.77 × 8,764.50
4. Step 4: Simplify right side
   16,216.50x = 196,138,729.67
5. Step 5: Solve for x
   x = 196,138,729.67/16,216.50
6. Step 6: Final answer
   x = 12,095.01