Finding the Fourth Proportional to 9,995.84, 13,794.79 and 5,519.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.84 : 13,794.79 = 5,519.57 : x
2. Step 2: Convert to fraction form
   9,995.84/13,794.79 = 5,519.57/x
3. Step 3: Cross multiply
   9,995.84x = 13,794.79 × 5,519.57
4. Step 4: Simplify right side
   9,995.84x = 76,141,309.04
5. Step 5: Solve for x
   x = 76,141,309.04/9,995.84
6. Step 6: Final answer
   x = 7,617.30