Finding the Fourth Proportional to 2,639.32, 3,642.23 and 1,460.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.32 : 3,642.23 = 1,460.39 : x
2. Step 2: Convert to fraction form
   2,639.32/3,642.23 = 1,460.39/x
3. Step 3: Cross multiply
   2,639.32x = 3,642.23 × 1,460.39
4. Step 4: Simplify right side
   2,639.32x = 5,319,081.16
5. Step 5: Solve for x
   x = 5,319,081.16/2,639.32
6. Step 6: Final answer
   x = 2,015.32