Finding the Fourth Proportional to 10,865.72, 16,295.97 and 5,016.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.72 : 16,295.97 = 5,016.71 : x
2. Step 2: Convert to fraction form
   10,865.72/16,295.97 = 5,016.71/x
3. Step 3: Cross multiply
   10,865.72x = 16,295.97 × 5,016.71
4. Step 4: Simplify right side
   10,865.72x = 81,752,155.66
5. Step 5: Solve for x
   x = 81,752,155.66/10,865.72
6. Step 6: Final answer
   x = 7,523.86