Finding the Fourth Proportional to 10,216.26, 15,324.69 and 3,974.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.26 : 15,324.69 = 3,974.79 : x
2. Step 2: Convert to fraction form
   10,216.26/15,324.69 = 3,974.79/x
3. Step 3: Cross multiply
   10,216.26x = 15,324.69 × 3,974.79
4. Step 4: Simplify right side
   10,216.26x = 60,912,424.57
5. Step 5: Solve for x
   x = 60,912,424.57/10,216.26
6. Step 6: Final answer
   x = 5,962.30