Finding the Fourth Proportional to 3,981.92, 5,452.57 and 3,825.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.92 : 5,452.57 = 3,825.07 : x
2. Step 2: Convert to fraction form
   3,981.92/5,452.57 = 3,825.07/x
3. Step 3: Cross multiply
   3,981.92x = 5,452.57 × 3,825.07
4. Step 4: Simplify right side
   3,981.92x = 20,856,461.93
5. Step 5: Solve for x
   x = 20,856,461.93/3,981.92
6. Step 6: Final answer
   x = 5,237.79