Finding the Fourth Proportional to 14,453.29, 21,682.86 and 8,216.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,453.29 : 21,682.86 = 8,216.29 : x
2. Step 2: Convert to fraction form
   14,453.29/21,682.86 = 8,216.29/x
3. Step 3: Cross multiply
   14,453.29x = 21,682.86 × 8,216.29
4. Step 4: Simplify right side
   14,453.29x = 178,152,665.79
5. Step 5: Solve for x
   x = 178,152,665.79/14,453.29
6. Step 6: Final answer
   x = 12,326.10