Finding the Fourth Proportional to 449,771.82, 674,428.50 and 150,144.72

Step by Step Solution

1. Step 1: Write the proportion equation
   449,771.82 : 674,428.50 = 150,144.72 : x
2. Step 2: Convert to fraction form
   449,771.82/674,428.50 = 150,144.72/x
3. Step 3: Cross multiply
   449,771.82x = 674,428.50 × 150,144.72
4. Step 4: Simplify right side
   449,771.82x = 101,261,878,292.52
5. Step 5: Solve for x
   x = 101,261,878,292.52/449,771.82
6. Step 6: Final answer
   x = 225,140.56