Finding the Fourth Proportional to 6,851.72, 10,296.77 and 4,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,851.72 : 10,296.77 = 4,078.82 : x
2. Step 2: Convert to fraction form
   6,851.72/10,296.77 = 4,078.82/x
3. Step 3: Cross multiply
   6,851.72x = 10,296.77 × 4,078.82
4. Step 4: Simplify right side
   6,851.72x = 41,998,676.76
5. Step 5: Solve for x
   x = 41,998,676.76/6,851.72
6. Step 6: Final answer
   x = 6,129.65