Finding the Fourth Proportional to 16,464.15, 24,701.78 and 5,221.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,464.15 : 24,701.78 = 5,221.33 : x
2. Step 2: Convert to fraction form
   16,464.15/24,701.78 = 5,221.33/x
3. Step 3: Cross multiply
   16,464.15x = 24,701.78 × 5,221.33
4. Step 4: Simplify right side
   16,464.15x = 128,976,057.11
5. Step 5: Solve for x
   x = 128,976,057.11/16,464.15
6. Step 6: Final answer
   x = 7,833.75