Finding the Fourth Proportional to 269,748.10, 404,784.15 and 111,960.10

Step by Step Solution

1. Step 1: Write the proportion equation
   269,748.10 : 404,784.15 = 111,960.10 : x
2. Step 2: Convert to fraction form
   269,748.10/404,784.15 = 111,960.10/x
3. Step 3: Cross multiply
   269,748.10x = 404,784.15 × 111,960.10
4. Step 4: Simplify right side
   269,748.10x = 45,319,673,912.42
5. Step 5: Solve for x
   x = 45,319,673,912.42/269,748.10
6. Step 6: Final answer
   x = 168,007.39