Finding the Fourth Proportional to 201,231, 277,698.78 and 111,807

Step by Step Solution

1. Step 1: Write the proportion equation
   201,231 : 277,698.78 = 111,807 : x
2. Step 2: Convert to fraction form
   201,231/277,698.78 = 111,807/x
3. Step 3: Cross multiply
   201,231x = 277,698.78 × 111,807
4. Step 4: Simplify right side
   201,231x = 31,048,667,495.46
5. Step 5: Solve for x
   x = 31,048,667,495.46/201,231
6. Step 6: Final answer
   x = 154,293.66