Finding the Fourth Proportional to 472,732.82, 709,105.36 and 157,189.71

Step by Step Solution

1. Step 1: Write the proportion equation
   472,732.82 : 709,105.36 = 157,189.71 : x
2. Step 2: Convert to fraction form
   472,732.82/709,105.36 = 157,189.71/x
3. Step 3: Cross multiply
   472,732.82x = 709,105.36 × 157,189.71
4. Step 4: Simplify right side
   472,732.82x = 111,464,066,290.82
5. Step 5: Solve for x
   x = 111,464,066,290.82/472,732.82
6. Step 6: Final answer
   x = 235,786.61