Finding the Fourth Proportional to 10,016.38, 13,818.97 and 7,717.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.38 : 13,818.97 = 7,717.53 : x
2. Step 2: Convert to fraction form
   10,016.38/13,818.97 = 7,717.53/x
3. Step 3: Cross multiply
   10,016.38x = 13,818.97 × 7,717.53
4. Step 4: Simplify right side
   10,016.38x = 106,648,315.54
5. Step 5: Solve for x
   x = 106,648,315.54/10,016.38
6. Step 6: Final answer
   x = 10,647.39