Finding the Fourth Proportional to 7,217.96, 9,960.82 and 4,233.85

Step by Step Solution

1. Step 1: Write the proportion equation
   7,217.96 : 9,960.82 = 4,233.85 : x
2. Step 2: Convert to fraction form
   7,217.96/9,960.82 = 4,233.85/x
3. Step 3: Cross multiply
   7,217.96x = 9,960.82 × 4,233.85
4. Step 4: Simplify right side
   7,217.96x = 42,172,582.27
5. Step 5: Solve for x
   x = 42,172,582.27/7,217.96
6. Step 6: Final answer
   x = 5,842.73