Finding the Fourth Proportional to 10,987.06, 15,162.14 and 5,951.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.06 : 15,162.14 = 5,951.30 : x
2. Step 2: Convert to fraction form
   10,987.06/15,162.14 = 5,951.30/x
3. Step 3: Cross multiply
   10,987.06x = 15,162.14 × 5,951.30
4. Step 4: Simplify right side
   10,987.06x = 90,234,443.78
5. Step 5: Solve for x
   x = 90,234,443.78/10,987.06
6. Step 6: Final answer
   x = 8,212.79