Finding the Fourth Proportional to 8,111.91, 12,169.89 and 2,268.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.91 : 12,169.89 = 2,268.47 : x
2. Step 2: Convert to fraction form
   8,111.91/12,169.89 = 2,268.47/x
3. Step 3: Cross multiply
   8,111.91x = 12,169.89 × 2,268.47
4. Step 4: Simplify right side
   8,111.91x = 27,607,060.79
5. Step 5: Solve for x
   x = 27,607,060.79/8,111.91
6. Step 6: Final answer
   x = 3,403.28