Finding the Fourth Proportional to 10,935.30, 16,411.05 and 8,019.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.30 : 16,411.05 = 8,019.30 : x
2. Step 2: Convert to fraction form
   10,935.30/16,411.05 = 8,019.30/x
3. Step 3: Cross multiply
   10,935.30x = 16,411.05 × 8,019.30
4. Step 4: Simplify right side
   10,935.30x = 131,605,133.27
5. Step 5: Solve for x
   x = 131,605,133.27/10,935.30
6. Step 6: Final answer
   x = 12,034.89