Finding the Fourth Proportional to 2,639.85, 3,642.97 and 1,460.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.85 : 3,642.97 = 1,460.89 : x
2. Step 2: Convert to fraction form
   2,639.85/3,642.97 = 1,460.89/x
3. Step 3: Cross multiply
   2,639.85x = 3,642.97 × 1,460.89
4. Step 4: Simplify right side
   2,639.85x = 5,321,978.44
5. Step 5: Solve for x
   x = 5,321,978.44/2,639.85
6. Step 6: Final answer
   x = 2,016.02