Finding the Fourth Proportional to 10,506.71, 15,760.34 and 2,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,506.71 : 15,760.34 = 2,715.50 : x
2. Step 2: Convert to fraction form
   10,506.71/15,760.34 = 2,715.50/x
3. Step 3: Cross multiply
   10,506.71x = 15,760.34 × 2,715.50
4. Step 4: Simplify right side
   10,506.71x = 42,797,203.27
5. Step 5: Solve for x
   x = 42,797,203.27/10,506.71
6. Step 6: Final answer
   x = 4,073.32