Finding the Fourth Proportional to 2,638.97, 3,641.23 and 1,519.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.97 : 3,641.23 = 1,519.61 : x
2. Step 2: Convert to fraction form
   2,638.97/3,641.23 = 1,519.61/x
3. Step 3: Cross multiply
   2,638.97x = 3,641.23 × 1,519.61
4. Step 4: Simplify right side
   2,638.97x = 5,533,223.72
5. Step 5: Solve for x
   x = 5,533,223.72/2,638.97
6. Step 6: Final answer
   x = 2,096.74