Finding the Fourth Proportional to 7,086.69, 9,781.83 and 4,847.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.69 : 9,781.83 = 4,847.72 : x
2. Step 2: Convert to fraction form
   7,086.69/9,781.83 = 4,847.72/x
3. Step 3: Cross multiply
   7,086.69x = 9,781.83 × 4,847.72
4. Step 4: Simplify right side
   7,086.69x = 47,419,524.02
5. Step 5: Solve for x
   x = 47,419,524.02/7,086.69
6. Step 6: Final answer
   x = 6,691.35