Finding the Fourth Proportional to 9,053.36, 12,495.86 and 5,518.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.36 : 12,495.86 = 5,518.52 : x
2. Step 2: Convert to fraction form
   9,053.36/12,495.86 = 5,518.52/x
3. Step 3: Cross multiply
   9,053.36x = 12,495.86 × 5,518.52
4. Step 4: Simplify right side
   9,053.36x = 68,958,653.33
5. Step 5: Solve for x
   x = 68,958,653.33/9,053.36
6. Step 6: Final answer
   x = 7,616.91