Finding the Fourth Proportional to 10,987.29, 15,162.38 and 5,951.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.29 : 15,162.38 = 5,951.39 : x
2. Step 2: Convert to fraction form
   10,987.29/15,162.38 = 5,951.39/x
3. Step 3: Cross multiply
   10,987.29x = 15,162.38 × 5,951.39
4. Step 4: Simplify right side
   10,987.29x = 90,237,131.14
5. Step 5: Solve for x
   x = 90,237,131.14/10,987.29
6. Step 6: Final answer
   x = 8,212.87