Finding the Fourth Proportional to 2,608.20, 3,912.84 and 1,512.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.20 : 3,912.84 = 1,512.72 : x
2. Step 2: Convert to fraction form
   2,608.20/3,912.84 = 1,512.72/x
3. Step 3: Cross multiply
   2,608.20x = 3,912.84 × 1,512.72
4. Step 4: Simplify right side
   2,608.20x = 5,919,031.32
5. Step 5: Solve for x
   x = 5,919,031.32/2,608.20
6. Step 6: Final answer
   x = 2,269.39