Finding the Fourth Proportional to 80,544.09, 111,100.59 and 51,901.68

Step by Step Solution

1. Step 1: Write the proportion equation
   80,544.09 : 111,100.59 = 51,901.68 : x
2. Step 2: Convert to fraction form
   80,544.09/111,100.59 = 51,901.68/x
3. Step 3: Cross multiply
   80,544.09x = 111,100.59 × 51,901.68
4. Step 4: Simplify right side
   80,544.09x = 5,766,307,269.99
5. Step 5: Solve for x
   x = 5,766,307,269.99/80,544.09
6. Step 6: Final answer
   x = 71,591.94