Finding the Fourth Proportional to 10,979.89, 16,466.88 and 3,081.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.89 : 16,466.88 = 3,081.94 : x
2. Step 2: Convert to fraction form
   10,979.89/16,466.88 = 3,081.94/x
3. Step 3: Cross multiply
   10,979.89x = 16,466.88 × 3,081.94
4. Step 4: Simplify right side
   10,979.89x = 50,749,936.15
5. Step 5: Solve for x
   x = 50,749,936.15/10,979.89
6. Step 6: Final answer
   x = 4,622.08