Finding the Fourth Proportional to 8,111.68, 12,167.68 and 2,268.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.68 : 12,167.68 = 2,268.32 : x
2. Step 2: Convert to fraction form
   8,111.68/12,167.68 = 2,268.32/x
3. Step 3: Cross multiply
   8,111.68x = 12,167.68 × 2,268.32
4. Step 4: Simplify right side
   8,111.68x = 27,600,191.90
5. Step 5: Solve for x
   x = 27,600,191.90/8,111.68
6. Step 6: Final answer
   x = 3,402.52