Finding the Fourth Proportional to 127,260.72, 175,698.72 and 82,016.64

Step by Step Solution

1. Step 1: Write the proportion equation
   127,260.72 : 175,698.72 = 82,016.64 : x
2. Step 2: Convert to fraction form
   127,260.72/175,698.72 = 82,016.64/x
3. Step 3: Cross multiply
   127,260.72x = 175,698.72 × 82,016.64
4. Step 4: Simplify right side
   127,260.72x = 14,410,218,666.70
5. Step 5: Solve for x
   x = 14,410,218,666.70/127,260.72
6. Step 6: Final answer
   x = 113,233.83