Finding the Fourth Proportional to 6,856.46, 10,273.91 and 5,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.46 : 10,273.91 = 5,300.28 : x
2. Step 2: Convert to fraction form
   6,856.46/10,273.91 = 5,300.28/x
3. Step 3: Cross multiply
   6,856.46x = 10,273.91 × 5,300.28
4. Step 4: Simplify right side
   6,856.46x = 54,454,599.69
5. Step 5: Solve for x
   x = 54,454,599.69/6,856.46
6. Step 6: Final answer
   x = 7,942.09