Finding the Fourth Proportional to 119,119.36, 164,387.37 and 65,404.59

Step by Step Solution

1. Step 1: Write the proportion equation
   119,119.36 : 164,387.37 = 65,404.59 : x
2. Step 2: Convert to fraction form
   119,119.36/164,387.37 = 65,404.59/x
3. Step 3: Cross multiply
   119,119.36x = 164,387.37 × 65,404.59
4. Step 4: Simplify right side
   119,119.36x = 10,751,688,536.03
5. Step 5: Solve for x
   x = 10,751,688,536.03/119,119.36
6. Step 6: Final answer
   x = 90,259.79