Finding the Fourth Proportional to 150,369.43, 225,604.49 and 49,172.15

Step by Step Solution

1. Step 1: Write the proportion equation
   150,369.43 : 225,604.49 = 49,172.15 : x
2. Step 2: Convert to fraction form
   150,369.43/225,604.49 = 49,172.15/x
3. Step 3: Cross multiply
   150,369.43x = 225,604.49 × 49,172.15
4. Step 4: Simplify right side
   150,369.43x = 11,093,456,817.86
5. Step 5: Solve for x
   x = 11,093,456,817.86/150,369.43
6. Step 6: Final answer
   x = 73,774.68