Finding the Fourth Proportional to 16,021.56, 24,029.75 and 5,491.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021.56 : 24,029.75 = 5,491.15 : x
2. Step 2: Convert to fraction form
   16,021.56/24,029.75 = 5,491.15/x
3. Step 3: Cross multiply
   16,021.56x = 24,029.75 × 5,491.15
4. Step 4: Simplify right side
   16,021.56x = 131,950,964.29
5. Step 5: Solve for x
   x = 131,950,964.29/16,021.56
6. Step 6: Final answer
   x = 8,235.84