Finding the Fourth Proportional to 8,399.50, 12,591.46 and 3,717.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399.50 : 12,591.46 = 3,717.02 : x
2. Step 2: Convert to fraction form
   8,399.50/12,591.46 = 3,717.02/x
3. Step 3: Cross multiply
   8,399.50x = 12,591.46 × 3,717.02
4. Step 4: Simplify right side
   8,399.50x = 46,802,708.65
5. Step 5: Solve for x
   x = 46,802,708.65/8,399.50
6. Step 6: Final answer
   x = 5,572.08