Finding the Fourth Proportional to 2,638.42, 3,640.93 and 1,459.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.42 : 3,640.93 = 1,459.54 : x
2. Step 2: Convert to fraction form
   2,638.42/3,640.93 = 1,459.54/x
3. Step 3: Cross multiply
   2,638.42x = 3,640.93 × 1,459.54
4. Step 4: Simplify right side
   2,638.42x = 5,314,082.97
5. Step 5: Solve for x
   x = 5,314,082.97/2,638.42
6. Step 6: Final answer
   x = 2,014.12