Finding the Fourth Proportional to 200,907, 277,264.62 and 111,483

Step by Step Solution

1. Step 1: Write the proportion equation
   200,907 : 277,264.62 = 111,483 : x
2. Step 2: Convert to fraction form
   200,907/277,264.62 = 111,483/x
3. Step 3: Cross multiply
   200,907x = 277,264.62 × 111,483
4. Step 4: Simplify right side
   200,907x = 30,910,291,631.46
5. Step 5: Solve for x
   x = 30,910,291,631.46/200,907
6. Step 6: Final answer
   x = 153,853.73