Finding the Fourth Proportional to 2,269.42, 3,132.58 and 1,431.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.42 : 3,132.58 = 1,431.54 : x
2. Step 2: Convert to fraction form
   2,269.42/3,132.58 = 1,431.54/x
3. Step 3: Cross multiply
   2,269.42x = 3,132.58 × 1,431.54
4. Step 4: Simplify right side
   2,269.42x = 4,484,413.57
5. Step 5: Solve for x
   x = 4,484,413.57/2,269.42
6. Step 6: Final answer
   x = 1,976.02