Finding the Fourth Proportional to 2,639.69, 3,642.72 and 1,460.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.69 : 3,642.72 = 1,460.73 : x
2. Step 2: Convert to fraction form
   2,639.69/3,642.72 = 1,460.73/x
3. Step 3: Cross multiply
   2,639.69x = 3,642.72 × 1,460.73
4. Step 4: Simplify right side
   2,639.69x = 5,321,030.39
5. Step 5: Solve for x
   x = 5,321,030.39/2,639.69
6. Step 6: Final answer
   x = 2,015.78