Finding the Fourth Proportional to 150,499.56, 225,786.91 and 106,212.81

Step by Step Solution

1. Step 1: Write the proportion equation
   150,499.56 : 225,786.91 = 106,212.81 : x
2. Step 2: Convert to fraction form
   150,499.56/225,786.91 = 106,212.81/x
3. Step 3: Cross multiply
   150,499.56x = 225,786.91 × 106,212.81
4. Step 4: Simplify right side
   150,499.56x = 23,981,461,906.79
5. Step 5: Solve for x
   x = 23,981,461,906.79/150,499.56
6. Step 6: Final answer
   x = 159,345.73