Finding the Fourth Proportional to 2,608.79, 3,578.69 and 2,467.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.79 : 3,578.69 = 2,467.56 : x
2. Step 2: Convert to fraction form
   2,608.79/3,578.69 = 2,467.56/x
3. Step 3: Cross multiply
   2,608.79x = 3,578.69 × 2,467.56
4. Step 4: Simplify right side
   2,608.79x = 8,830,638.47
5. Step 5: Solve for x
   x = 8,830,638.47/2,608.79
6. Step 6: Final answer
   x = 3,384.95