Finding the Fourth Proportional to 41,910.09, 57,788.69 and 30,559.56

Step by Step Solution

1. Step 1: Write the proportion equation
   41,910.09 : 57,788.69 = 30,559.56 : x
2. Step 2: Convert to fraction form
   41,910.09/57,788.69 = 30,559.56/x
3. Step 3: Cross multiply
   41,910.09x = 57,788.69 × 30,559.56
4. Step 4: Simplify right side
   41,910.09x = 1,765,996,786.58
5. Step 5: Solve for x
   x = 1,765,996,786.58/41,910.09
6. Step 6: Final answer
   x = 42,137.75