Finding the Fourth Proportional to 2,661.42, 3,677.76 and 2,031.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.42 : 3,677.76 = 2,031.24 : x
2. Step 2: Convert to fraction form
   2,661.42/3,677.76 = 2,031.24/x
3. Step 3: Cross multiply
   2,661.42x = 3,677.76 × 2,031.24
4. Step 4: Simplify right side
   2,661.42x = 7,470,413.22
5. Step 5: Solve for x
   x = 7,470,413.22/2,661.42
6. Step 6: Final answer
   x = 2,806.93