Finding the Fourth Proportional to 6,983.55, 9,636.71 and 3,839.85

Step by Step Solution

1. Step 1: Write the proportion equation
   6,983.55 : 9,636.71 = 3,839.85 : x
2. Step 2: Convert to fraction form
   6,983.55/9,636.71 = 3,839.85/x
3. Step 3: Cross multiply
   6,983.55x = 9,636.71 × 3,839.85
4. Step 4: Simplify right side
   6,983.55x = 37,003,501.69
5. Step 5: Solve for x
   x = 37,003,501.69/6,983.55
6. Step 6: Final answer
   x = 5,298.67