Finding the Fourth Proportional to 10,987.49, 15,162.75 and 5,951.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.49 : 15,162.75 = 5,951.72 : x
2. Step 2: Convert to fraction form
   10,987.49/15,162.75 = 5,951.72/x
3. Step 3: Cross multiply
   10,987.49x = 15,162.75 × 5,951.72
4. Step 4: Simplify right side
   10,987.49x = 90,244,442.43
5. Step 5: Solve for x
   x = 90,244,442.43/10,987.49
6. Step 6: Final answer
   x = 8,213.38