Finding the Fourth Proportional to 10,987.48, 15,162.68 and 5,951.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.48 : 15,162.68 = 5,951.69 : x
2. Step 2: Convert to fraction form
   10,987.48/15,162.68 = 5,951.69/x
3. Step 3: Cross multiply
   10,987.48x = 15,162.68 × 5,951.69
4. Step 4: Simplify right side
   10,987.48x = 90,243,510.00
5. Step 5: Solve for x
   x = 90,243,510.00/10,987.48
6. Step 6: Final answer
   x = 8,213.31