Finding the Fourth Proportional to 6,851.82, 9,456.45 and 3,868.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,851.82 : 9,456.45 = 3,868.86 : x
2. Step 2: Convert to fraction form
   6,851.82/9,456.45 = 3,868.86/x
3. Step 3: Cross multiply
   6,851.82x = 9,456.45 × 3,868.86
4. Step 4: Simplify right side
   6,851.82x = 36,585,681.15
5. Step 5: Solve for x
   x = 36,585,681.15/6,851.82
6. Step 6: Final answer
   x = 5,339.56