Finding the Fourth Proportional to 2,608.74, 3,578.60 and 2,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.74 : 3,578.60 = 2,467.50 : x
2. Step 2: Convert to fraction form
   2,608.74/3,578.60 = 2,467.50/x
3. Step 3: Cross multiply
   2,608.74x = 3,578.60 × 2,467.50
4. Step 4: Simplify right side
   2,608.74x = 8,830,195.50
5. Step 5: Solve for x
   x = 8,830,195.50/2,608.74
6. Step 6: Final answer
   x = 3,384.85