Finding the Fourth Proportional to 4,481.27, 6,190.68 and 3,308.81

Step by Step Solution

1. Step 1: Write the proportion equation
   4,481.27 : 6,190.68 = 3,308.81 : x
2. Step 2: Convert to fraction form
   4,481.27/6,190.68 = 3,308.81/x
3. Step 3: Cross multiply
   4,481.27x = 6,190.68 × 3,308.81
4. Step 4: Simplify right side
   4,481.27x = 20,483,783.89
5. Step 5: Solve for x
   x = 20,483,783.89/4,481.27
6. Step 6: Final answer
   x = 4,570.98