Finding the Fourth Proportional to 8,496.18, 11,723.94 and 5,139.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,496.18 : 11,723.94 = 5,139.54 : x
2. Step 2: Convert to fraction form
   8,496.18/11,723.94 = 5,139.54/x
3. Step 3: Cross multiply
   8,496.18x = 11,723.94 × 5,139.54
4. Step 4: Simplify right side
   8,496.18x = 60,255,658.59
5. Step 5: Solve for x
   x = 60,255,658.59/8,496.18
6. Step 6: Final answer
   x = 7,092.09