Finding the Fourth Proportional to 10,986.69, 15,161.55 and 5,950.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986.69 : 15,161.55 = 5,950.79 : x
2. Step 2: Convert to fraction form
   10,986.69/15,161.55 = 5,950.79/x
3. Step 3: Cross multiply
   10,986.69x = 15,161.55 × 5,950.79
4. Step 4: Simplify right side
   10,986.69x = 90,223,200.12
5. Step 5: Solve for x
   x = 90,223,200.12/10,986.69
6. Step 6: Final answer
   x = 8,212.05