Finding the Fourth Proportional to 12,054.92, 18,078.54 and 3,845

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.92 : 18,078.54 = 3,845 : x
2. Step 2: Convert to fraction form
   12,054.92/18,078.54 = 3,845/x
3. Step 3: Cross multiply
   12,054.92x = 18,078.54 × 3,845
4. Step 4: Simplify right side
   12,054.92x = 69,511,986.30
5. Step 5: Solve for x
   x = 69,511,986.30/12,054.92
6. Step 6: Final answer
   x = 5,766.28