Finding the Fourth Proportional to 2,639.40, 3,642.32 and 1,460.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.40 : 3,642.32 = 1,460.52 : x
2. Step 2: Convert to fraction form
   2,639.40/3,642.32 = 1,460.52/x
3. Step 3: Cross multiply
   2,639.40x = 3,642.32 × 1,460.52
4. Step 4: Simplify right side
   2,639.40x = 5,319,681.21
5. Step 5: Solve for x
   x = 5,319,681.21/2,639.40
6. Step 6: Final answer
   x = 2,015.49