Finding the Fourth Proportional to 150,136.86, 225,462.78 and 133,307.82

Step by Step Solution

1. Step 1: Write the proportion equation
   150,136.86 : 225,462.78 = 133,307.82 : x
2. Step 2: Convert to fraction form
   150,136.86/225,462.78 = 133,307.82/x
3. Step 3: Cross multiply
   150,136.86x = 225,462.78 × 133,307.82
4. Step 4: Simplify right side
   150,136.86x = 30,055,951,692.94
5. Step 5: Solve for x
   x = 30,055,951,692.94/150,136.86
6. Step 6: Final answer
   x = 200,190.36