Finding the Fourth Proportional to 6,456.42, 9,682.56 and 2,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.42 : 9,682.56 = 2,072.82 : x
2. Step 2: Convert to fraction form
   6,456.42/9,682.56 = 2,072.82/x
3. Step 3: Cross multiply
   6,456.42x = 9,682.56 × 2,072.82
4. Step 4: Simplify right side
   6,456.42x = 20,070,204.02
5. Step 5: Solve for x
   x = 20,070,204.02/6,456.42
6. Step 6: Final answer
   x = 3,108.57