Finding the Fourth Proportional to 10,105.20, 15,168.72 and 6,162.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.20 : 15,168.72 = 6,162.69 : x
2. Step 2: Convert to fraction form
   10,105.20/15,168.72 = 6,162.69/x
3. Step 3: Cross multiply
   10,105.20x = 15,168.72 × 6,162.69
4. Step 4: Simplify right side
   10,105.20x = 93,480,119.06
5. Step 5: Solve for x
   x = 93,480,119.06/10,105.20
6. Step 6: Final answer
   x = 9,250.69