Finding the Fourth Proportional to 2,638.02, 3,640.37 and 1,519.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.02 : 3,640.37 = 1,519.01 : x
2. Step 2: Convert to fraction form
   2,638.02/3,640.37 = 1,519.01/x
3. Step 3: Cross multiply
   2,638.02x = 3,640.37 × 1,519.01
4. Step 4: Simplify right side
   2,638.02x = 5,529,732.64
5. Step 5: Solve for x
   x = 5,529,732.64/2,638.02
6. Step 6: Final answer
   x = 2,096.17