Finding the Fourth Proportional to 269,196.45, 403,413.69 and 149,306.18

Step by Step Solution

1. Step 1: Write the proportion equation
   269,196.45 : 403,413.69 = 149,306.18 : x
2. Step 2: Convert to fraction form
   269,196.45/403,413.69 = 149,306.18/x
3. Step 3: Cross multiply
   269,196.45x = 403,413.69 × 149,306.18
4. Step 4: Simplify right side
   269,196.45x = 60,232,154,996.54
5. Step 5: Solve for x
   x = 60,232,154,996.54/269,196.45
6. Step 6: Final answer
   x = 223,747.95