Finding the Fourth Proportional to 9,141.92, 13,712.83 and 2,216.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.92 : 13,712.83 = 2,216.42 : x
2. Step 2: Convert to fraction form
   9,141.92/13,712.83 = 2,216.42/x
3. Step 3: Cross multiply
   9,141.92x = 13,712.83 × 2,216.42
4. Step 4: Simplify right side
   9,141.92x = 30,393,390.67
5. Step 5: Solve for x
   x = 30,393,390.67/9,141.92
6. Step 6: Final answer
   x = 3,324.62