Finding the Fourth Proportional to 3,814.37, 5,718.32 and 3,608.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814.37 : 5,718.32 = 3,608.09 : x
2. Step 2: Convert to fraction form
   3,814.37/5,718.32 = 3,608.09/x
3. Step 3: Cross multiply
   3,814.37x = 5,718.32 × 3,608.09
4. Step 4: Simplify right side
   3,814.37x = 20,632,195.17
5. Step 5: Solve for x
   x = 20,632,195.17/3,814.37
6. Step 6: Final answer
   x = 5,409.07