Finding the Fourth Proportional to 73,942.37, 102,040.25 and 40,408.37

Step by Step Solution

1. Step 1: Write the proportion equation
   73,942.37 : 102,040.25 = 40,408.37 : x
2. Step 2: Convert to fraction form
   73,942.37/102,040.25 = 40,408.37/x
3. Step 3: Cross multiply
   73,942.37x = 102,040.25 × 40,408.37
4. Step 4: Simplify right side
   73,942.37x = 4,123,279,974.85
5. Step 5: Solve for x
   x = 4,123,279,974.85/73,942.37
6. Step 6: Final answer
   x = 55,763.43