Finding the Fourth Proportional to 119,119.49, 164,383.75 and 65,404.03

Step by Step Solution

1. Step 1: Write the proportion equation
   119,119.49 : 164,383.75 = 65,404.03 : x
2. Step 2: Convert to fraction form
   119,119.49/164,383.75 = 65,404.03/x
3. Step 3: Cross multiply
   119,119.49x = 164,383.75 × 65,404.03
4. Step 4: Simplify right side
   119,119.49x = 10,751,359,716.51
5. Step 5: Solve for x
   x = 10,751,359,716.51/119,119.49
6. Step 6: Final answer
   x = 90,256.93