Finding the Fourth Proportional to 9,141.56, 13,712.18 and 2,216.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.56 : 13,712.18 = 2,216.04 : x
2. Step 2: Convert to fraction form
   9,141.56/13,712.18 = 2,216.04/x
3. Step 3: Cross multiply
   9,141.56x = 13,712.18 × 2,216.04
4. Step 4: Simplify right side
   9,141.56x = 30,386,739.37
5. Step 5: Solve for x
   x = 30,386,739.37/9,141.56
6. Step 6: Final answer
   x = 3,324.02