Finding the Fourth Proportional to 200,786.92, 277,091.94 and 111,361

Step by Step Solution

1. Step 1: Write the proportion equation
   200,786.92 : 277,091.94 = 111,361 : x
2. Step 2: Convert to fraction form
   200,786.92/277,091.94 = 111,361/x
3. Step 3: Cross multiply
   200,786.92x = 277,091.94 × 111,361
4. Step 4: Simplify right side
   200,786.92x = 30,857,235,530.34
5. Step 5: Solve for x
   x = 30,857,235,530.34/200,786.92
6. Step 6: Final answer
   x = 153,681.50