Finding the Fourth Proportional to 269,523, 404,111.66 and 111,860.28

Step by Step Solution

1. Step 1: Write the proportion equation
   269,523 : 404,111.66 = 111,860.28 : x
2. Step 2: Convert to fraction form
   269,523/404,111.66 = 111,860.28/x
3. Step 3: Cross multiply
   269,523x = 404,111.66 × 111,860.28
4. Step 4: Simplify right side
   269,523x = 45,204,043,438.86
5. Step 5: Solve for x
   x = 45,204,043,438.86/269,523
6. Step 6: Final answer
   x = 167,718.69