Finding the Fourth Proportional to 269,744.10, 404,778.15 and 111,956.10

Step by Step Solution

1. Step 1: Write the proportion equation
   269,744.10 : 404,778.15 = 111,956.10 : x
2. Step 2: Convert to fraction form
   269,744.10/404,778.15 = 111,956.10/x
3. Step 3: Cross multiply
   269,744.10x = 404,778.15 × 111,956.10
4. Step 4: Simplify right side
   269,744.10x = 45,317,383,039.22
5. Step 5: Solve for x
   x = 45,317,383,039.22/269,744.10
6. Step 6: Final answer
   x = 168,001.39