Finding the Fourth Proportional to 119,456.33, 164,843.78 and 65,739.96

Step by Step Solution

1. Step 1: Write the proportion equation
   119,456.33 : 164,843.78 = 65,739.96 : x
2. Step 2: Convert to fraction form
   119,456.33/164,843.78 = 65,739.96/x
3. Step 3: Cross multiply
   119,456.33x = 164,843.78 × 65,739.96
4. Step 4: Simplify right side
   119,456.33x = 10,836,823,174.75
5. Step 5: Solve for x
   x = 10,836,823,174.75/119,456.33
6. Step 6: Final answer
   x = 90,717.87