Finding the Fourth Proportional to 119,468.05, 164,865.92 and 65,020.42

Step by Step Solution

1. Step 1: Write the proportion equation
   119,468.05 : 164,865.92 = 65,020.42 : x
2. Step 2: Convert to fraction form
   119,468.05/164,865.92 = 65,020.42/x
3. Step 3: Cross multiply
   119,468.05x = 164,865.92 × 65,020.42
4. Step 4: Simplify right side
   119,468.05x = 10,719,651,362.09
5. Step 5: Solve for x
   x = 10,719,651,362.09/119,468.05
6. Step 6: Final answer
   x = 89,728.19