Finding the Fourth Proportional to 10,919.68, 16,300.07 and 10,108.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,919.68 : 16,300.07 = 10,108.24 : x
2. Step 2: Convert to fraction form
   10,919.68/16,300.07 = 10,108.24/x
3. Step 3: Cross multiply
   10,919.68x = 16,300.07 × 10,108.24
4. Step 4: Simplify right side
   10,919.68x = 164,765,019.58
5. Step 5: Solve for x
   x = 164,765,019.58/10,919.68
6. Step 6: Final answer
   x = 15,088.81