Finding the Fourth Proportional to 6,857.37, 10,287.72 and 2,696.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,857.37 : 10,287.72 = 2,696.31 : x
2. Step 2: Convert to fraction form
   6,857.37/10,287.72 = 2,696.31/x
3. Step 3: Cross multiply
   6,857.37x = 10,287.72 × 2,696.31
4. Step 4: Simplify right side
   6,857.37x = 27,738,882.31
5. Step 5: Solve for x
   x = 27,738,882.31/6,857.37
6. Step 6: Final answer
   x = 4,045.12