Finding the Fourth Proportional to 6,238.64, 8,609.83 and 3,550.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,238.64 : 8,609.83 = 3,550.70 : x
2. Step 2: Convert to fraction form
   6,238.64/8,609.83 = 3,550.70/x
3. Step 3: Cross multiply
   6,238.64x = 8,609.83 × 3,550.70
4. Step 4: Simplify right side
   6,238.64x = 30,570,936.03
5. Step 5: Solve for x
   x = 30,570,936.03/6,238.64
6. Step 6: Final answer
   x = 4,900.25