Finding the Fourth Proportional to 9,710.82, 13,400.90 and 5,519.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.82 : 13,400.90 = 5,519.08 : x
2. Step 2: Convert to fraction form
   9,710.82/13,400.90 = 5,519.08/x
3. Step 3: Cross multiply
   9,710.82x = 13,400.90 × 5,519.08
4. Step 4: Simplify right side
   9,710.82x = 73,960,639.17
5. Step 5: Solve for x
   x = 73,960,639.17/9,710.82
6. Step 6: Final answer
   x = 7,616.31