Finding the Fourth Proportional to 16,520.37, 22,766.69 and 16,216.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,520.37 : 22,766.69 = 16,216.76 : x
2. Step 2: Convert to fraction form
   16,520.37/22,766.69 = 16,216.76/x
3. Step 3: Cross multiply
   16,520.37x = 22,766.69 × 16,216.76
4. Step 4: Simplify right side
   16,520.37x = 369,201,870.54
5. Step 5: Solve for x
   x = 369,201,870.54/16,520.37
6. Step 6: Final answer
   x = 22,348.28