Finding the Fourth Proportional to 6,610.40, 9,912.69 and 3,097.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,610.40 : 9,912.69 = 3,097.58 : x
2. Step 2: Convert to fraction form
   6,610.40/9,912.69 = 3,097.58/x
3. Step 3: Cross multiply
   6,610.40x = 9,912.69 × 3,097.58
4. Step 4: Simplify right side
   6,610.40x = 30,705,300.73
5. Step 5: Solve for x
   x = 30,705,300.73/6,610.40
6. Step 6: Final answer
   x = 4,645.00