Finding the Fourth Proportional to 200,786.82, 277,085.91 and 111,362.82

Step by Step Solution

1. Step 1: Write the proportion equation
   200,786.82 : 277,085.91 = 111,362.82 : x
2. Step 2: Convert to fraction form
   200,786.82/277,085.91 = 111,362.82/x
3. Step 3: Cross multiply
   200,786.82x = 277,085.91 × 111,362.82
4. Step 4: Simplify right side
   200,786.82x = 30,857,068,319.87
5. Step 5: Solve for x
   x = 30,857,068,319.87/200,786.82
6. Step 6: Final answer
   x = 153,680.75