Finding the Fourth Proportional to 2,639.38, 3,642.30 and 1,460.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.38 : 3,642.30 = 1,460.42 : x
2. Step 2: Convert to fraction form
   2,639.38/3,642.30 = 1,460.42/x
3. Step 3: Cross multiply
   2,639.38x = 3,642.30 × 1,460.42
4. Step 4: Simplify right side
   2,639.38x = 5,319,287.77
5. Step 5: Solve for x
   x = 5,319,287.77/2,639.38
6. Step 6: Final answer
   x = 2,015.36