Finding the Fourth Proportional to 2,591.90, 3,576.78 and 1,413.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.90 : 3,576.78 = 1,413.02 : x
2. Step 2: Convert to fraction form
   2,591.90/3,576.78 = 1,413.02/x
3. Step 3: Cross multiply
   2,591.90x = 3,576.78 × 1,413.02
4. Step 4: Simplify right side
   2,591.90x = 5,054,061.68
5. Step 5: Solve for x
   x = 5,054,061.68/2,591.90
6. Step 6: Final answer
   x = 1,949.94