Finding the Fourth Proportional to 2,638.54, 3,640.97 and 1,459.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.54 : 3,640.97 = 1,459.63 : x
2. Step 2: Convert to fraction form
   2,638.54/3,640.97 = 1,459.63/x
3. Step 3: Cross multiply
   2,638.54x = 3,640.97 × 1,459.63
4. Step 4: Simplify right side
   2,638.54x = 5,314,443.54
5. Step 5: Solve for x
   x = 5,314,443.54/2,638.54
6. Step 6: Final answer
   x = 2,014.16