Finding the Fourth Proportional to 3,863.98, 5,792.86 and 3,556.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,863.98 : 5,792.86 = 3,556.41 : x
2. Step 2: Convert to fraction form
   3,863.98/5,792.86 = 3,556.41/x
3. Step 3: Cross multiply
   3,863.98x = 5,792.86 × 3,556.41
4. Step 4: Simplify right side
   3,863.98x = 20,601,785.23
5. Step 5: Solve for x
   x = 20,601,785.23/3,863.98
6. Step 6: Final answer
   x = 5,331.75