Finding the Fourth Proportional to 111,640.23, 154,025.42 and 69,183.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111,640.23 : 154,025.42 = 69,183.27 : x
2. Step 2: Convert to fraction form
   111,640.23/154,025.42 = 69,183.27/x
3. Step 3: Cross multiply
   111,640.23x = 154,025.42 × 69,183.27
4. Step 4: Simplify right side
   111,640.23x = 10,655,981,872.81
5. Step 5: Solve for x
   x = 10,655,981,872.81/111,640.23
6. Step 6: Final answer
   x = 95,449.30