Finding the Fourth Proportional to 5,745.54, 7,932.15 and 3,859.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,745.54 : 7,932.15 = 3,859.86 : x
2. Step 2: Convert to fraction form
   5,745.54/7,932.15 = 3,859.86/x
3. Step 3: Cross multiply
   5,745.54x = 7,932.15 × 3,859.86
4. Step 4: Simplify right side
   5,745.54x = 30,616,988.50
5. Step 5: Solve for x
   x = 30,616,988.50/5,745.54
6. Step 6: Final answer
   x = 5,328.83