Finding the Fourth Proportional to 5,410.77, 8,105.61 and 3,556.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.77 : 8,105.61 = 3,556.23 : x
2. Step 2: Convert to fraction form
   5,410.77/8,105.61 = 3,556.23/x
3. Step 3: Cross multiply
   5,410.77x = 8,105.61 × 3,556.23
4. Step 4: Simplify right side
   5,410.77x = 28,825,413.45
5. Step 5: Solve for x
   x = 28,825,413.45/5,410.77
6. Step 6: Final answer
   x = 5,327.41