Finding the Fourth Proportional to 14,216.66, 21,327.72 and 5,450.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,216.66 : 21,327.72 = 5,450.89 : x
2. Step 2: Convert to fraction form
   14,216.66/21,327.72 = 5,450.89/x
3. Step 3: Cross multiply
   14,216.66x = 21,327.72 × 5,450.89
4. Step 4: Simplify right side
   14,216.66x = 116,255,031.82
5. Step 5: Solve for x
   x = 116,255,031.82/14,216.66
6. Step 6: Final answer
   x = 8,177.38