Finding the Fourth Proportional to 9,710.82, 13,400.91 and 5,519.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.82 : 13,400.91 = 5,519.07 : x
2. Step 2: Convert to fraction form
   9,710.82/13,400.91 = 5,519.07/x
3. Step 3: Cross multiply
   9,710.82x = 13,400.91 × 5,519.07
4. Step 4: Simplify right side
   9,710.82x = 73,960,560.35
5. Step 5: Solve for x
   x = 73,960,560.35/9,710.82
6. Step 6: Final answer
   x = 7,616.30