Finding the Fourth Proportional to 200,769.98, 277,058.43 and 124,268.78

Step by Step Solution

1. Step 1: Write the proportion equation
   200,769.98 : 277,058.43 = 124,268.78 : x
2. Step 2: Convert to fraction form
   200,769.98/277,058.43 = 124,268.78/x
3. Step 3: Cross multiply
   200,769.98x = 277,058.43 × 124,268.78
4. Step 4: Simplify right side
   200,769.98x = 34,429,713,084.82
5. Step 5: Solve for x
   x = 34,429,713,084.82/200,769.98
6. Step 6: Final answer
   x = 171,488.35