Finding the Fourth Proportional to 8,111.08, 12,168.68 and 2,267.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.08 : 12,168.68 = 2,267.72 : x
2. Step 2: Convert to fraction form
   8,111.08/12,168.68 = 2,267.72/x
3. Step 3: Cross multiply
   8,111.08x = 12,168.68 × 2,267.72
4. Step 4: Simplify right side
   8,111.08x = 27,595,159.01
5. Step 5: Solve for x
   x = 27,595,159.01/8,111.08
6. Step 6: Final answer
   x = 3,402.16