Finding the Fourth Proportional to 3,723.72, 5,133.60 and 3,608.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,723.72 : 5,133.60 = 3,608.70 : x
2. Step 2: Convert to fraction form
   3,723.72/5,133.60 = 3,608.70/x
3. Step 3: Cross multiply
   3,723.72x = 5,133.60 × 3,608.70
4. Step 4: Simplify right side
   3,723.72x = 18,525,622.32
5. Step 5: Solve for x
   x = 18,525,622.32/3,723.72
6. Step 6: Final answer
   x = 4,975.03