Finding the Fourth Proportional to 127,748.76, 175,016.61 and 122,960.25

Step by Step Solution

1. Step 1: Write the proportion equation
   127,748.76 : 175,016.61 = 122,960.25 : x
2. Step 2: Convert to fraction form
   127,748.76/175,016.61 = 122,960.25/x
3. Step 3: Cross multiply
   127,748.76x = 175,016.61 × 122,960.25
4. Step 4: Simplify right side
   127,748.76x = 21,520,086,119.75
5. Step 5: Solve for x
   x = 21,520,086,119.75/127,748.76
6. Step 6: Final answer
   x = 168,456.32