Finding the Fourth Proportional to 57,456.45, 79,289.69 and 33,578.37

Step by Step Solution

1. Step 1: Write the proportion equation
   57,456.45 : 79,289.69 = 33,578.37 : x
2. Step 2: Convert to fraction form
   57,456.45/79,289.69 = 33,578.37/x
3. Step 3: Cross multiply
   57,456.45x = 79,289.69 × 33,578.37
4. Step 4: Simplify right side
   57,456.45x = 2,662,418,380.11
5. Step 5: Solve for x
   x = 2,662,418,380.11/57,456.45
6. Step 6: Final answer
   x = 46,338.02