Finding the Fourth Proportional to 6,856.72, 10,287.60 and 3,348.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.72 : 10,287.60 = 3,348.16 : x
2. Step 2: Convert to fraction form
   6,856.72/10,287.60 = 3,348.16/x
3. Step 3: Cross multiply
   6,856.72x = 10,287.60 × 3,348.16
4. Step 4: Simplify right side
   6,856.72x = 34,444,530.82
5. Step 5: Solve for x
   x = 34,444,530.82/6,856.72
6. Step 6: Final answer
   x = 5,023.47