Finding the Fourth Proportional to 10,987.15, 15,162.07 and 5,951.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.15 : 15,162.07 = 5,951.34 : x
2. Step 2: Convert to fraction form
   10,987.15/15,162.07 = 5,951.34/x
3. Step 3: Cross multiply
   10,987.15x = 15,162.07 × 5,951.34
4. Step 4: Simplify right side
   10,987.15x = 90,234,633.67
5. Step 5: Solve for x
   x = 90,234,633.67/10,987.15
6. Step 6: Final answer
   x = 8,212.74