Finding the Fourth Proportional to 6,610.82, 9,907.52 and 3,100.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,610.82 : 9,907.52 = 3,100.28 : x
2. Step 2: Convert to fraction form
   6,610.82/9,907.52 = 3,100.28/x
3. Step 3: Cross multiply
   6,610.82x = 9,907.52 × 3,100.28
4. Step 4: Simplify right side
   6,610.82x = 30,716,021.07
5. Step 5: Solve for x
   x = 30,716,021.07/6,610.82
6. Step 6: Final answer
   x = 4,646.33