Finding the Fourth Proportional to 6,990.50, 9,647.16 and 3,846.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,990.50 : 9,647.16 = 3,846.62 : x
2. Step 2: Convert to fraction form
   6,990.50/9,647.16 = 3,846.62/x
3. Step 3: Cross multiply
   6,990.50x = 9,647.16 × 3,846.62
4. Step 4: Simplify right side
   6,990.50x = 37,108,958.60
5. Step 5: Solve for x
   x = 37,108,958.60/6,990.50
6. Step 6: Final answer
   x = 5,308.48