Finding the Fourth Proportional to 8,105.64, 12,160.08 and 2,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.64 : 12,160.08 = 2,559.50 : x
2. Step 2: Convert to fraction form
   8,105.64/12,160.08 = 2,559.50/x
3. Step 3: Cross multiply
   8,105.64x = 12,160.08 × 2,559.50
4. Step 4: Simplify right side
   8,105.64x = 31,123,724.76
5. Step 5: Solve for x
   x = 31,123,724.76/8,105.64
6. Step 6: Final answer
   x = 3,839.76