Finding the Fourth Proportional to 10,979.32, 16,466.05 and 3,081.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.32 : 16,466.05 = 3,081.37 : x
2. Step 2: Convert to fraction form
   10,979.32/16,466.05 = 3,081.37/x
3. Step 3: Cross multiply
   10,979.32x = 16,466.05 × 3,081.37
4. Step 4: Simplify right side
   10,979.32x = 50,737,992.49
5. Step 5: Solve for x
   x = 50,737,992.49/10,979.32
6. Step 6: Final answer
   x = 4,621.23