Finding the Fourth Proportional to 73,105.50, 100,885.59 and 39,571.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,105.50 : 100,885.59 = 39,571.50 : x
2. Step 2: Convert to fraction form
   73,105.50/100,885.59 = 39,571.50/x
3. Step 3: Cross multiply
   73,105.50x = 100,885.59 × 39,571.50
4. Step 4: Simplify right side
   73,105.50x = 3,992,194,124.69
5. Step 5: Solve for x
   x = 3,992,194,124.69/73,105.50
6. Step 6: Final answer
   x = 54,608.67