Finding the Fourth Proportional to 200,749.16, 277,153.98 and 125,399.72

Step by Step Solution

1. Step 1: Write the proportion equation
   200,749.16 : 277,153.98 = 125,399.72 : x
2. Step 2: Convert to fraction form
   200,749.16/277,153.98 = 125,399.72/x
3. Step 3: Cross multiply
   200,749.16x = 277,153.98 × 125,399.72
4. Step 4: Simplify right side
   200,749.16x = 34,755,031,488.89
5. Step 5: Solve for x
   x = 34,755,031,488.89/200,749.16
6. Step 6: Final answer
   x = 173,126.66