Finding the Fourth Proportional to 6,910.72, 9,536.79 and 3,766.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,910.72 : 9,536.79 = 3,766.91 : x
2. Step 2: Convert to fraction form
   6,910.72/9,536.79 = 3,766.91/x
3. Step 3: Cross multiply
   6,910.72x = 9,536.79 × 3,766.91
4. Step 4: Simplify right side
   6,910.72x = 35,924,229.62
5. Step 5: Solve for x
   x = 35,924,229.62/6,910.72
6. Step 6: Final answer
   x = 5,198.33