Finding the Fourth Proportional to 2,608.55, 3,578.35 and 2,467.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.55 : 3,578.35 = 2,467.31 : x
2. Step 2: Convert to fraction form
   2,608.55/3,578.35 = 2,467.31/x
3. Step 3: Cross multiply
   2,608.55x = 3,578.35 × 2,467.31
4. Step 4: Simplify right side
   2,608.55x = 8,828,898.74
5. Step 5: Solve for x
   x = 8,828,898.74/2,608.55
6. Step 6: Final answer
   x = 3,384.61