Finding the Fourth Proportional to 200,769.93, 277,061.73 and 124,273.78

Step by Step Solution

1. Step 1: Write the proportion equation
   200,769.93 : 277,061.73 = 124,273.78 : x
2. Step 2: Convert to fraction form
   200,769.93/277,061.73 = 124,273.78/x
3. Step 3: Cross multiply
   200,769.93x = 277,061.73 × 124,273.78
4. Step 4: Simplify right side
   200,769.93x = 34,431,507,321.76
5. Step 5: Solve for x
   x = 34,431,507,321.76/200,769.93
6. Step 6: Final answer
   x = 171,497.33