Finding the Fourth Proportional to 67,105.80, 100,584.89 and 27,641.39

Step by Step Solution

1. Step 1: Write the proportion equation
   67,105.80 : 100,584.89 = 27,641.39 : x
2. Step 2: Convert to fraction form
   67,105.80/100,584.89 = 27,641.39/x
3. Step 3: Cross multiply
   67,105.80x = 100,584.89 × 27,641.39
4. Step 4: Simplify right side
   67,105.80x = 2,780,305,738.78
5. Step 5: Solve for x
   x = 2,780,305,738.78/67,105.80
6. Step 6: Final answer
   x = 41,431.68