Finding the Fourth Proportional to 21,757.92, 30,080.82 and 16,083.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,757.92 : 30,080.82 = 16,083.72 : x
2. Step 2: Convert to fraction form
   21,757.92/30,080.82 = 16,083.72/x
3. Step 3: Cross multiply
   21,757.92x = 30,080.82 × 16,083.72
4. Step 4: Simplify right side
   21,757.92x = 483,811,486.25
5. Step 5: Solve for x
   x = 483,811,486.25/21,757.92
6. Step 6: Final answer
   x = 22,236.11