Finding the Fourth Proportional to 41,105.20, 57,678.50 and 41,105.20

Step by Step Solution

1. Step 1: Write the proportion equation
   41,105.20 : 57,678.50 = 41,105.20 : x
2. Step 2: Convert to fraction form
   41,105.20/57,678.50 = 41,105.20/x
3. Step 3: Cross multiply
   41,105.20x = 57,678.50 × 41,105.20
4. Step 4: Simplify right side
   41,105.20x = 2,370,886,278.20
5. Step 5: Solve for x
   x = 2,370,886,278.20/41,105.20
6. Step 6: Final answer
   x = 57,678.50