Finding the Fourth Proportional to 21,227.76, 29,295.72 and 14,166

Step by Step Solution

1. Step 1: Write the proportion equation
   21,227.76 : 29,295.72 = 14,166 : x
2. Step 2: Convert to fraction form
   21,227.76/29,295.72 = 14,166/x
3. Step 3: Cross multiply
   21,227.76x = 29,295.72 × 14,166
4. Step 4: Simplify right side
   21,227.76x = 415,003,169.52
5. Step 5: Solve for x
   x = 415,003,169.52/21,227.76
6. Step 6: Final answer
   x = 19,550.02