Finding the Fourth Proportional to 16,216.89, 22,379.30 and 8,764.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.89 : 22,379.30 = 8,764.89 : x
2. Step 2: Convert to fraction form
   16,216.89/22,379.30 = 8,764.89/x
3. Step 3: Cross multiply
   16,216.89x = 22,379.30 × 8,764.89
4. Step 4: Simplify right side
   16,216.89x = 196,152,058.95
5. Step 5: Solve for x
   x = 196,152,058.95/16,216.89
6. Step 6: Final answer
   x = 12,095.54