Finding the Fourth Proportional to 10,995.57, 16,494.98 and 3,976.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.57 : 16,494.98 = 3,976.11 : x
2. Step 2: Convert to fraction form
   10,995.57/16,494.98 = 3,976.11/x
3. Step 3: Cross multiply
   10,995.57x = 16,494.98 × 3,976.11
4. Step 4: Simplify right side
   10,995.57x = 65,585,835.05
5. Step 5: Solve for x
   x = 65,585,835.05/10,995.57
6. Step 6: Final answer
   x = 5,964.75