Finding the Fourth Proportional to 8,111.36, 12,166.43 and 2,268.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.36 : 12,166.43 = 2,268.42 : x
2. Step 2: Convert to fraction form
   8,111.36/12,166.43 = 2,268.42/x
3. Step 3: Cross multiply
   8,111.36x = 12,166.43 × 2,268.42
4. Step 4: Simplify right side
   8,111.36x = 27,598,561.80
5. Step 5: Solve for x
   x = 27,598,561.80/8,111.36
6. Step 6: Final answer
   x = 3,402.46