Finding the Fourth Proportional to 10,986.96, 15,162.06 and 5,951.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986.96 : 15,162.06 = 5,951.19 : x
2. Step 2: Convert to fraction form
   10,986.96/15,162.06 = 5,951.19/x
3. Step 3: Cross multiply
   10,986.96x = 15,162.06 × 5,951.19
4. Step 4: Simplify right side
   10,986.96x = 90,232,379.03
5. Step 5: Solve for x
   x = 90,232,379.03/10,986.96
6. Step 6: Final answer
   x = 8,212.68