Finding the Fourth Proportional to 10,813.43, 16,217.69 and 4,964.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,813.43 : 16,217.69 = 4,964.42 : x
2. Step 2: Convert to fraction form
   10,813.43/16,217.69 = 4,964.42/x
3. Step 3: Cross multiply
   10,813.43x = 16,217.69 × 4,964.42
4. Step 4: Simplify right side
   10,813.43x = 80,511,318.68
5. Step 5: Solve for x
   x = 80,511,318.68/10,813.43
6. Step 6: Final answer
   x = 7,445.50