Finding the Fourth Proportional to 6,856.82, 10,271.53 and 3,153.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.82 : 10,271.53 = 3,153.98 : x
2. Step 2: Convert to fraction form
   6,856.82/10,271.53 = 3,153.98/x
3. Step 3: Cross multiply
   6,856.82x = 10,271.53 × 3,153.98
4. Step 4: Simplify right side
   6,856.82x = 32,396,133.06
5. Step 5: Solve for x
   x = 32,396,133.06/6,856.82
6. Step 6: Final answer
   x = 4,724.66