Finding the Fourth Proportional to 6,481.89, 8,945.79 and 3,650.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,481.89 : 8,945.79 = 3,650.31 : x
2. Step 2: Convert to fraction form
   6,481.89/8,945.79 = 3,650.31/x
3. Step 3: Cross multiply
   6,481.89x = 8,945.79 × 3,650.31
4. Step 4: Simplify right side
   6,481.89x = 32,654,906.69
5. Step 5: Solve for x
   x = 32,654,906.69/6,481.89
6. Step 6: Final answer
   x = 5,037.87