Finding the Fourth Proportional to 2,639.48, 3,642.42 and 1,460.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.48 : 3,642.42 = 1,460.54 : x
2. Step 2: Convert to fraction form
   2,639.48/3,642.42 = 1,460.54/x
3. Step 3: Cross multiply
   2,639.48x = 3,642.42 × 1,460.54
4. Step 4: Simplify right side
   2,639.48x = 5,319,900.11
5. Step 5: Solve for x
   x = 5,319,900.11/2,639.48
6. Step 6: Final answer
   x = 2,015.51