Finding the Fourth Proportional to 53,518.69, 80,327.85 and 27,243.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,518.69 : 80,327.85 = 27,243.10 : x
2. Step 2: Convert to fraction form
   53,518.69/80,327.85 = 27,243.10/x
3. Step 3: Cross multiply
   53,518.69x = 80,327.85 × 27,243.10
4. Step 4: Simplify right side
   53,518.69x = 2,188,379,112.48
5. Step 5: Solve for x
   x = 2,188,379,112.48/53,518.69
6. Step 6: Final answer
   x = 40,890.00