Finding the Fourth Proportional to 2,639.59, 3,642.37 and 1,460.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.59 : 3,642.37 = 1,460.63 : x
2. Step 2: Convert to fraction form
   2,639.59/3,642.37 = 1,460.63/x
3. Step 3: Cross multiply
   2,639.59x = 3,642.37 × 1,460.63
4. Step 4: Simplify right side
   2,639.59x = 5,320,160.35
5. Step 5: Solve for x
   x = 5,320,160.35/2,639.59
6. Step 6: Final answer
   x = 2,015.53