Finding the Fourth Proportional to 8,803.69, 13,196.65 and 5,519.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,803.69 : 13,196.65 = 5,519.09 : x
2. Step 2: Convert to fraction form
   8,803.69/13,196.65 = 5,519.09/x
3. Step 3: Cross multiply
   8,803.69x = 13,196.65 × 5,519.09
4. Step 4: Simplify right side
   8,803.69x = 72,833,485.25
5. Step 5: Solve for x
   x = 72,833,485.25/8,803.69
6. Step 6: Final answer
   x = 8,273.06