Finding the Fourth Proportional to 2,639.25, 3,642.10 and 1,460.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.25 : 3,642.10 = 1,460.30 : x
2. Step 2: Convert to fraction form
   2,639.25/3,642.10 = 1,460.30/x
3. Step 3: Cross multiply
   2,639.25x = 3,642.10 × 1,460.30
4. Step 4: Simplify right side
   2,639.25x = 5,318,558.63
5. Step 5: Solve for x
   x = 5,318,558.63/2,639.25
6. Step 6: Final answer
   x = 2,015.18