Finding the Fourth Proportional to 119,665.08, 165,139.56 and 65,949.39

Step by Step Solution

1. Step 1: Write the proportion equation
   119,665.08 : 165,139.56 = 65,949.39 : x
2. Step 2: Convert to fraction form
   119,665.08/165,139.56 = 65,949.39/x
3. Step 3: Cross multiply
   119,665.08x = 165,139.56 × 65,949.39
4. Step 4: Simplify right side
   119,665.08x = 10,890,853,246.87
5. Step 5: Solve for x
   x = 10,890,853,246.87/119,665.08
6. Step 6: Final answer
   x = 91,011.12