Finding the Fourth Proportional to 8,111.29, 12,168.96 and 2,267.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.29 : 12,168.96 = 2,267.85 : x
2. Step 2: Convert to fraction form
   8,111.29/12,168.96 = 2,267.85/x
3. Step 3: Cross multiply
   8,111.29x = 12,168.96 × 2,267.85
4. Step 4: Simplify right side
   8,111.29x = 27,597,364.60
5. Step 5: Solve for x
   x = 27,597,364.60/8,111.29
6. Step 6: Final answer
   x = 3,402.34