Finding the Fourth Proportional to 7,086.97, 9,793.50 and 5,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.97 : 9,793.50 = 5,315.50 : x
2. Step 2: Convert to fraction form
   7,086.97/9,793.50 = 5,315.50/x
3. Step 3: Cross multiply
   7,086.97x = 9,793.50 × 5,315.50
4. Step 4: Simplify right side
   7,086.97x = 52,057,349.25
5. Step 5: Solve for x
   x = 52,057,349.25/7,086.97
6. Step 6: Final answer
   x = 7,345.50