Finding the Fourth Proportional to 9,055.82, 12,497.15 and 5,519.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,055.82 : 12,497.15 = 5,519.36 : x
2. Step 2: Convert to fraction form
   9,055.82/12,497.15 = 5,519.36/x
3. Step 3: Cross multiply
   9,055.82x = 12,497.15 × 5,519.36
4. Step 4: Simplify right side
   9,055.82x = 68,976,269.82
5. Step 5: Solve for x
   x = 68,976,269.82/9,055.82
6. Step 6: Final answer
   x = 7,616.79