Finding the Fourth Proportional to 3,932.76, 5,392.04 and 3,862.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.76 : 5,392.04 = 3,862.56 : x
2. Step 2: Convert to fraction form
   3,932.76/5,392.04 = 3,862.56/x
3. Step 3: Cross multiply
   3,932.76x = 5,392.04 × 3,862.56
4. Step 4: Simplify right side
   3,932.76x = 20,827,078.02
5. Step 5: Solve for x
   x = 20,827,078.02/3,932.76
6. Step 6: Final answer
   x = 5,295.79