Finding the Fourth Proportional to 3,694.55, 5,520.22 and 3,565.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,694.55 : 5,520.22 = 3,565.42 : x
2. Step 2: Convert to fraction form
   3,694.55/5,520.22 = 3,565.42/x
3. Step 3: Cross multiply
   3,694.55x = 5,520.22 × 3,565.42
4. Step 4: Simplify right side
   3,694.55x = 19,681,880.08
5. Step 5: Solve for x
   x = 19,681,880.08/3,694.55
6. Step 6: Final answer
   x = 5,327.28