Finding the Fourth Proportional to 5,578.92, 7,707.30 and 3,669.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,578.92 : 7,707.30 = 3,669.30 : x
2. Step 2: Convert to fraction form
   5,578.92/7,707.30 = 3,669.30/x
3. Step 3: Cross multiply
   5,578.92x = 7,707.30 × 3,669.30
4. Step 4: Simplify right side
   5,578.92x = 28,280,395.89
5. Step 5: Solve for x
   x = 28,280,395.89/5,578.92
6. Step 6: Final answer
   x = 5,069.15