Finding the Fourth Proportional to 245,105.73, 338,282.73 and 149,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   245,105.73 : 338,282.73 = 149,667.48 : x
2. Step 2: Convert to fraction form
   245,105.73/338,282.73 = 149,667.48/x
3. Step 3: Cross multiply
   245,105.73x = 338,282.73 × 149,667.48
4. Step 4: Simplify right side
   245,105.73x = 50,629,923,726.62
5. Step 5: Solve for x
   x = 50,629,923,726.62/245,105.73
6. Step 6: Final answer
   x = 206,563.61