Finding the Fourth Proportional to 10,086.50, 13,919.54 and 5,549.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.50 : 13,919.54 = 5,549.37 : x
2. Step 2: Convert to fraction form
   10,086.50/13,919.54 = 5,549.37/x
3. Step 3: Cross multiply
   10,086.50x = 13,919.54 × 5,549.37
4. Step 4: Simplify right side
   10,086.50x = 77,244,649.94
5. Step 5: Solve for x
   x = 77,244,649.94/10,086.50
6. Step 6: Final answer
   x = 7,658.23