Finding the Fourth Proportional to 6,856.76, 10,276.88 and 3,153.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.76 : 10,276.88 = 3,153.92 : x
2. Step 2: Convert to fraction form
   6,856.76/10,276.88 = 3,153.92/x
3. Step 3: Cross multiply
   6,856.76x = 10,276.88 × 3,153.92
4. Step 4: Simplify right side
   6,856.76x = 32,412,390.22
5. Step 5: Solve for x
   x = 32,412,390.22/6,856.76
6. Step 6: Final answer
   x = 4,727.07