Finding the Fourth Proportional to 6,385.30, 9,560.64 and 3,300.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385.30 : 9,560.64 = 3,300.82 : x
2. Step 2: Convert to fraction form
   6,385.30/9,560.64 = 3,300.82/x
3. Step 3: Cross multiply
   6,385.30x = 9,560.64 × 3,300.82
4. Step 4: Simplify right side
   6,385.30x = 31,557,951.72
5. Step 5: Solve for x
   x = 31,557,951.72/6,385.30
6. Step 6: Final answer
   x = 4,942.28