Finding the Fourth Proportional to 119,707.62, 165,189 and 65,993.10

Step by Step Solution

1. Step 1: Write the proportion equation
   119,707.62 : 165,189 = 65,993.10 : x
2. Step 2: Convert to fraction form
   119,707.62/165,189 = 65,993.10/x
3. Step 3: Cross multiply
   119,707.62x = 165,189 × 65,993.10
4. Step 4: Simplify right side
   119,707.62x = 10,901,334,195.90
5. Step 5: Solve for x
   x = 10,901,334,195.90/119,707.62
6. Step 6: Final answer
   x = 91,066.33