Finding the Fourth Proportional to 2,275.74, 3,413.67 and 889.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.74 : 3,413.67 = 889.02 : x
2. Step 2: Convert to fraction form
   2,275.74/3,413.67 = 889.02/x
3. Step 3: Cross multiply
   2,275.74x = 3,413.67 × 889.02
4. Step 4: Simplify right side
   2,275.74x = 3,034,820.90
5. Step 5: Solve for x
   x = 3,034,820.90/2,275.74
6. Step 6: Final answer
   x = 1,333.55