Finding the Fourth Proportional to 8,105.28, 12,158.56 and 2,261.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.28 : 12,158.56 = 2,261.92 : x
2. Step 2: Convert to fraction form
   8,105.28/12,158.56 = 2,261.92/x
3. Step 3: Cross multiply
   8,105.28x = 12,158.56 × 2,261.92
4. Step 4: Simplify right side
   8,105.28x = 27,501,690.04
5. Step 5: Solve for x
   x = 27,501,690.04/8,105.28
6. Step 6: Final answer
   x = 3,393.06