Finding the Fourth Proportional to 3,711.20, 5,524.39 and 3,655.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,711.20 : 5,524.39 = 3,655.84 : x
2. Step 2: Convert to fraction form
   3,711.20/5,524.39 = 3,655.84/x
3. Step 3: Cross multiply
   3,711.20x = 5,524.39 × 3,655.84
4. Step 4: Simplify right side
   3,711.20x = 20,196,258.32
5. Step 5: Solve for x
   x = 20,196,258.32/3,711.20
6. Step 6: Final answer
   x = 5,441.98