Finding the Fourth Proportional to 2,638.78, 3,641.49 and 1,459.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.78 : 3,641.49 = 1,459.82 : x
2. Step 2: Convert to fraction form
   2,638.78/3,641.49 = 1,459.82/x
3. Step 3: Cross multiply
   2,638.78x = 3,641.49 × 1,459.82
4. Step 4: Simplify right side
   2,638.78x = 5,315,929.04
5. Step 5: Solve for x
   x = 5,315,929.04/2,638.78
6. Step 6: Final answer
   x = 2,014.54