Finding the Fourth Proportional to 6,800.82, 9,380.82 and 4,915.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,800.82 : 9,380.82 = 4,915.18 : x
2. Step 2: Convert to fraction form
   6,800.82/9,380.82 = 4,915.18/x
3. Step 3: Cross multiply
   6,800.82x = 9,380.82 × 4,915.18
4. Step 4: Simplify right side
   6,800.82x = 46,108,418.85
5. Step 5: Solve for x
   x = 46,108,418.85/6,800.82
6. Step 6: Final answer
   x = 6,779.83