Finding the Fourth Proportional to 10,995.72, 16,490.14 and 3,974.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.72 : 16,490.14 = 3,974.82 : x
2. Step 2: Convert to fraction form
   10,995.72/16,490.14 = 3,974.82/x
3. Step 3: Cross multiply
   10,995.72x = 16,490.14 × 3,974.82
4. Step 4: Simplify right side
   10,995.72x = 65,545,338.27
5. Step 5: Solve for x
   x = 65,545,338.27/10,995.72
6. Step 6: Final answer
   x = 5,960.99