Finding the Fourth Proportional to 10,111.43, 15,167.10 and 2,715.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.43 : 15,167.10 = 2,715.27 : x
2. Step 2: Convert to fraction form
   10,111.43/15,167.10 = 2,715.27/x
3. Step 3: Cross multiply
   10,111.43x = 15,167.10 × 2,715.27
4. Step 4: Simplify right side
   10,111.43x = 41,182,794.96
5. Step 5: Solve for x
   x = 41,182,794.96/10,111.43
6. Step 6: Final answer
   x = 4,072.89