Finding the Fourth Proportional to 16,619.22, 24,920.73 and 5,522.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,619.22 : 24,920.73 = 5,522.09 : x
2. Step 2: Convert to fraction form
   16,619.22/24,920.73 = 5,522.09/x
3. Step 3: Cross multiply
   16,619.22x = 24,920.73 × 5,522.09
4. Step 4: Simplify right side
   16,619.22x = 137,614,389.32
5. Step 5: Solve for x
   x = 137,614,389.32/16,619.22
6. Step 6: Final answer
   x = 8,280.44