Finding the Fourth Proportional to 119,467.05, 164,864.54 and 65,019.42

Step by Step Solution

1. Step 1: Write the proportion equation
   119,467.05 : 164,864.54 = 65,019.42 : x
2. Step 2: Convert to fraction form
   119,467.05/164,864.54 = 65,019.42/x
3. Step 3: Cross multiply
   119,467.05x = 164,864.54 × 65,019.42
4. Step 4: Simplify right side
   119,467.05x = 10,719,396,769.37
5. Step 5: Solve for x
   x = 10,719,396,769.37/119,467.05
6. Step 6: Final answer
   x = 89,726.81