Finding the Fourth Proportional to 2,512.09, 3,767.73 and 868.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,512.09 : 3,767.73 = 868.69 : x
2. Step 2: Convert to fraction form
   2,512.09/3,767.73 = 868.69/x
3. Step 3: Cross multiply
   2,512.09x = 3,767.73 × 868.69
4. Step 4: Simplify right side
   2,512.09x = 3,272,989.37
5. Step 5: Solve for x
   x = 3,272,989.37/2,512.09
6. Step 6: Final answer
   x = 1,302.89