Finding the Fourth Proportional to 6,111.37, 9,168.41 and 2,215.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.37 : 9,168.41 = 2,215.68 : x
2. Step 2: Convert to fraction form
   6,111.37/9,168.41 = 2,215.68/x
3. Step 3: Cross multiply
   6,111.37x = 9,168.41 × 2,215.68
4. Step 4: Simplify right side
   6,111.37x = 20,314,262.67
5. Step 5: Solve for x
   x = 20,314,262.67/6,111.37
6. Step 6: Final answer
   x = 3,324.01