Finding the Fourth Proportional to 9,995.69, 13,793.81 and 5,519.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.69 : 13,793.81 = 5,519.49 : x
2. Step 2: Convert to fraction form
   9,995.69/13,793.81 = 5,519.49/x
3. Step 3: Cross multiply
   9,995.69x = 13,793.81 × 5,519.49
4. Step 4: Simplify right side
   9,995.69x = 76,134,768.76
5. Step 5: Solve for x
   x = 76,134,768.76/9,995.69
6. Step 6: Final answer
   x = 7,616.76