Finding the Fourth Proportional to 16,620.21, 24,924.89 and 5,523.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,620.21 : 24,924.89 = 5,523.92 : x
2. Step 2: Convert to fraction form
   16,620.21/24,924.89 = 5,523.92/x
3. Step 3: Cross multiply
   16,620.21x = 24,924.89 × 5,523.92
4. Step 4: Simplify right side
   16,620.21x = 137,682,946.12
5. Step 5: Solve for x
   x = 137,682,946.12/16,620.21
6. Step 6: Final answer
   x = 8,284.07