Finding the Fourth Proportional to 8,111.55, 12,168.09 and 2,268.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.55 : 12,168.09 = 2,268.16 : x
2. Step 2: Convert to fraction form
   8,111.55/12,168.09 = 2,268.16/x
3. Step 3: Cross multiply
   8,111.55x = 12,168.09 × 2,268.16
4. Step 4: Simplify right side
   8,111.55x = 27,599,157.93
5. Step 5: Solve for x
   x = 27,599,157.93/8,111.55
6. Step 6: Final answer
   x = 3,402.45