Finding the Fourth Proportional to 2,608.59, 3,915.17 and 1,511.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.59 : 3,915.17 = 1,511.45 : x
2. Step 2: Convert to fraction form
   2,608.59/3,915.17 = 1,511.45/x
3. Step 3: Cross multiply
   2,608.59x = 3,915.17 × 1,511.45
4. Step 4: Simplify right side
   2,608.59x = 5,917,556.56
5. Step 5: Solve for x
   x = 5,917,556.56/2,608.59
6. Step 6: Final answer
   x = 2,268.49