Finding the Fourth Proportional to 10,872.09, 16,295.63 and 5,016.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.09 : 16,295.63 = 5,016.38 : x
2. Step 2: Convert to fraction form
   10,872.09/16,295.63 = 5,016.38/x
3. Step 3: Cross multiply
   10,872.09x = 16,295.63 × 5,016.38
4. Step 4: Simplify right side
   10,872.09x = 81,744,965.86
5. Step 5: Solve for x
   x = 81,744,965.86/10,872.09
6. Step 6: Final answer
   x = 7,518.79