Finding the Fourth Proportional to 16,464.79, 24,691.04 and 5,218.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,464.79 : 24,691.04 = 5,218.83 : x
2. Step 2: Convert to fraction form
   16,464.79/24,691.04 = 5,218.83/x
3. Step 3: Cross multiply
   16,464.79x = 24,691.04 × 5,218.83
4. Step 4: Simplify right side
   16,464.79x = 128,858,340.28
5. Step 5: Solve for x
   x = 128,858,340.28/16,464.79
6. Step 6: Final answer
   x = 7,826.30