Finding the Fourth Proportional to 6,619.82, 9,908.42 and 3,495.36

Step by Step Solution

1. Step 1: Write the proportion equation
   6,619.82 : 9,908.42 = 3,495.36 : x
2. Step 2: Convert to fraction form
   6,619.82/9,908.42 = 3,495.36/x
3. Step 3: Cross multiply
   6,619.82x = 9,908.42 × 3,495.36
4. Step 4: Simplify right side
   6,619.82x = 34,633,494.93
5. Step 5: Solve for x
   x = 34,633,494.93/6,619.82
6. Step 6: Final answer
   x = 5,231.79