Finding the Fourth Proportional to 2,087.91, 2,878.56 and 1,497.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.91 : 2,878.56 = 1,497.42 : x
2. Step 2: Convert to fraction form
   2,087.91/2,878.56 = 1,497.42/x
3. Step 3: Cross multiply
   2,087.91x = 2,878.56 × 1,497.42
4. Step 4: Simplify right side
   2,087.91x = 4,310,413.32
5. Step 5: Solve for x
   x = 4,310,413.32/2,087.91
6. Step 6: Final answer
   x = 2,064.46