Finding the Fourth Proportional to 6,275.81, 8,660.72 and 3,481.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,275.81 : 8,660.72 = 3,481.31 : x
2. Step 2: Convert to fraction form
   6,275.81/8,660.72 = 3,481.31/x
3. Step 3: Cross multiply
   6,275.81x = 8,660.72 × 3,481.31
4. Step 4: Simplify right side
   6,275.81x = 30,150,681.50
5. Step 5: Solve for x
   x = 30,150,681.50/6,275.81
6. Step 6: Final answer
   x = 4,804.27