Finding the Fourth Proportional to 7,086.69, 10,628.61 and 6,735.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.69 : 10,628.61 = 6,735.42 : x
2. Step 2: Convert to fraction form
   7,086.69/10,628.61 = 6,735.42/x
3. Step 3: Cross multiply
   7,086.69x = 10,628.61 × 6,735.42
4. Step 4: Simplify right side
   7,086.69x = 71,588,152.37
5. Step 5: Solve for x
   x = 71,588,152.37/7,086.69
6. Step 6: Final answer
   x = 10,101.78