Finding the Fourth Proportional to 119,663.50, 165,139.09 and 65,951.98

Step by Step Solution

1. Step 1: Write the proportion equation
   119,663.50 : 165,139.09 = 65,951.98 : x
2. Step 2: Convert to fraction form
   119,663.50/165,139.09 = 65,951.98/x
3. Step 3: Cross multiply
   119,663.50x = 165,139.09 × 65,951.98
4. Step 4: Simplify right side
   119,663.50x = 10,891,249,046.33
5. Step 5: Solve for x
   x = 10,891,249,046.33/119,663.50
6. Step 6: Final answer
   x = 91,015.63