Finding the Fourth Proportional to 200,772.98, 277,062.56 and 124,271.78

Step by Step Solution

1. Step 1: Write the proportion equation
   200,772.98 : 277,062.56 = 124,271.78 : x
2. Step 2: Convert to fraction form
   200,772.98/277,062.56 = 124,271.78/x
3. Step 3: Cross multiply
   200,772.98x = 277,062.56 × 124,271.78
4. Step 4: Simplify right side
   200,772.98x = 34,431,057,502.56
5. Step 5: Solve for x
   x = 34,431,057,502.56/200,772.98
6. Step 6: Final answer
   x = 171,492.49