Finding the Fourth Proportional to 5,727.56, 8,591.98 and 3,505.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,727.56 : 8,591.98 = 3,505.32 : x
2. Step 2: Convert to fraction form
   5,727.56/8,591.98 = 3,505.32/x
3. Step 3: Cross multiply
   5,727.56x = 8,591.98 × 3,505.32
4. Step 4: Simplify right side
   5,727.56x = 30,117,639.33
5. Step 5: Solve for x
   x = 30,117,639.33/5,727.56
6. Step 6: Final answer
   x = 5,258.37