Finding the Fourth Proportional to 6,855.73, 10,275.82 and 3,150.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,855.73 : 10,275.82 = 3,150.31 : x
2. Step 2: Convert to fraction form
   6,855.73/10,275.82 = 3,150.31/x
3. Step 3: Cross multiply
   6,855.73x = 10,275.82 × 3,150.31
4. Step 4: Simplify right side
   6,855.73x = 32,371,983.01
5. Step 5: Solve for x
   x = 32,371,983.01/6,855.73
6. Step 6: Final answer
   x = 4,721.89