Finding the Fourth Proportional to 8,105.50, 11,185.59 and 4,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.50 : 11,185.59 = 4,379.50 : x
2. Step 2: Convert to fraction form
   8,105.50/11,185.59 = 4,379.50/x
3. Step 3: Cross multiply
   8,105.50x = 11,185.59 × 4,379.50
4. Step 4: Simplify right side
   8,105.50x = 48,987,291.41
5. Step 5: Solve for x
   x = 48,987,291.41/8,105.50
6. Step 6: Final answer
   x = 6,043.71