Finding the Fourth Proportional to 6,619.25, 9,134.72 and 3,635.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,619.25 : 9,134.72 = 3,635.30 : x
2. Step 2: Convert to fraction form
   6,619.25/9,134.72 = 3,635.30/x
3. Step 3: Cross multiply
   6,619.25x = 9,134.72 × 3,635.30
4. Step 4: Simplify right side
   6,619.25x = 33,207,383.77
5. Step 5: Solve for x
   x = 33,207,383.77/6,619.25
6. Step 6: Final answer
   x = 5,016.79