Finding the Fourth Proportional to 8,105.73, 12,160.46 and 2,559.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.73 : 12,160.46 = 2,559.61 : x
2. Step 2: Convert to fraction form
   8,105.73/12,160.46 = 2,559.61/x
3. Step 3: Cross multiply
   8,105.73x = 12,160.46 × 2,559.61
4. Step 4: Simplify right side
   8,105.73x = 31,126,035.02
5. Step 5: Solve for x
   x = 31,126,035.02/8,105.73
6. Step 6: Final answer
   x = 3,840.00