Finding the Fourth Proportional to 6,610.49, 9,902.52 and 3,976.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,610.49 : 9,902.52 = 3,976.54 : x
2. Step 2: Convert to fraction form
   6,610.49/9,902.52 = 3,976.54/x
3. Step 3: Cross multiply
   6,610.49x = 9,902.52 × 3,976.54
4. Step 4: Simplify right side
   6,610.49x = 39,377,766.88
5. Step 5: Solve for x
   x = 39,377,766.88/6,610.49
6. Step 6: Final answer
   x = 5,956.86