Finding the Fourth Proportional to 8,105.83, 12,159.32 and 2,559.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.83 : 12,159.32 = 2,559.43 : x
2. Step 2: Convert to fraction form
   8,105.83/12,159.32 = 2,559.43/x
3. Step 3: Cross multiply
   8,105.83x = 12,159.32 × 2,559.43
4. Step 4: Simplify right side
   8,105.83x = 31,120,928.39
5. Step 5: Solve for x
   x = 31,120,928.39/8,105.83
6. Step 6: Final answer
   x = 3,839.33