Finding the Fourth Proportional to 2,638.24, 3,640.93 and 1,519.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.24 : 3,640.93 = 1,519.15 : x
2. Step 2: Convert to fraction form
   2,638.24/3,640.93 = 1,519.15/x
3. Step 3: Cross multiply
   2,638.24x = 3,640.93 × 1,519.15
4. Step 4: Simplify right side
   2,638.24x = 5,531,118.81
5. Step 5: Solve for x
   x = 5,531,118.81/2,638.24
6. Step 6: Final answer
   x = 2,096.52