Finding the Fourth Proportional to 8,111.10, 12,165.18 and 2,266.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.10 : 12,165.18 = 2,266.26 : x
2. Step 2: Convert to fraction form
   8,111.10/12,165.18 = 2,266.26/x
3. Step 3: Cross multiply
   8,111.10x = 12,165.18 × 2,266.26
4. Step 4: Simplify right side
   8,111.10x = 27,569,460.83
5. Step 5: Solve for x
   x = 27,569,460.83/8,111.10
6. Step 6: Final answer
   x = 3,398.98