Finding the Fourth Proportional to 3,976.11, 5,452.16 and 3,837.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.11 : 5,452.16 = 3,837.06 : x
2. Step 2: Convert to fraction form
   3,976.11/5,452.16 = 3,837.06/x
3. Step 3: Cross multiply
   3,976.11x = 5,452.16 × 3,837.06
4. Step 4: Simplify right side
   3,976.11x = 20,920,245.86
5. Step 5: Solve for x
   x = 20,920,245.86/3,976.11
6. Step 6: Final answer
   x = 5,261.49