Finding the Fourth Proportional to 3,608.58, 5,413.83 and 1,528.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.58 : 5,413.83 = 1,528.67 : x
2. Step 2: Convert to fraction form
   3,608.58/5,413.83 = 1,528.67/x
3. Step 3: Cross multiply
   3,608.58x = 5,413.83 × 1,528.67
4. Step 4: Simplify right side
   3,608.58x = 8,275,967.31
5. Step 5: Solve for x
   x = 8,275,967.31/3,608.58
6. Step 6: Final answer
   x = 2,293.41