Finding the Fourth Proportional to 10,116.96, 15,175.38 and 2,720.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.96 : 15,175.38 = 2,720.79 : x
2. Step 2: Convert to fraction form
   10,116.96/15,175.38 = 2,720.79/x
3. Step 3: Cross multiply
   10,116.96x = 15,175.38 × 2,720.79
4. Step 4: Simplify right side
   10,116.96x = 41,289,022.15
5. Step 5: Solve for x
   x = 41,289,022.15/10,116.96
6. Step 6: Final answer
   x = 4,081.17