Finding the Fourth Proportional to 150,189.54, 225,306.18 and 45,016.71

Step by Step Solution

1. Step 1: Write the proportion equation
   150,189.54 : 225,306.18 = 45,016.71 : x
2. Step 2: Convert to fraction form
   150,189.54/225,306.18 = 45,016.71/x
3. Step 3: Cross multiply
   150,189.54x = 225,306.18 × 45,016.71
4. Step 4: Simplify right side
   150,189.54x = 10,142,542,966.27
5. Step 5: Solve for x
   x = 10,142,542,966.27/150,189.54
6. Step 6: Final answer
   x = 67,531.62