Finding the Fourth Proportional to 16,449.21, 24,667.38 and 5,353.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,449.21 : 24,667.38 = 5,353.20 : x
2. Step 2: Convert to fraction form
   16,449.21/24,667.38 = 5,353.20/x
3. Step 3: Cross multiply
   16,449.21x = 24,667.38 × 5,353.20
4. Step 4: Simplify right side
   16,449.21x = 132,049,418.62
5. Step 5: Solve for x
   x = 132,049,418.62/16,449.21
6. Step 6: Final answer
   x = 8,027.71