Finding the Fourth Proportional to 10,995.75, 16,493.90 and 3,976.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.75 : 16,493.90 = 3,976.43 : x
2. Step 2: Convert to fraction form
   10,995.75/16,493.90 = 3,976.43/x
3. Step 3: Cross multiply
   10,995.75x = 16,493.90 × 3,976.43
4. Step 4: Simplify right side
   10,995.75x = 65,586,736.43
5. Step 5: Solve for x
   x = 65,586,736.43/10,995.75
6. Step 6: Final answer
   x = 5,964.74