Finding the Fourth Proportional to 6,847.76, 9,447.39 and 4,493.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,847.76 : 9,447.39 = 4,493.09 : x
2. Step 2: Convert to fraction form
   6,847.76/9,447.39 = 4,493.09/x
3. Step 3: Cross multiply
   6,847.76x = 9,447.39 × 4,493.09
4. Step 4: Simplify right side
   6,847.76x = 42,447,997.15
5. Step 5: Solve for x
   x = 42,447,997.15/6,847.76
6. Step 6: Final answer
   x = 6,198.81