Finding the Fourth Proportional to 2,419.59, 3,630.20 and 959.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.59 : 3,630.20 = 959.16 : x
2. Step 2: Convert to fraction form
   2,419.59/3,630.20 = 959.16/x
3. Step 3: Cross multiply
   2,419.59x = 3,630.20 × 959.16
4. Step 4: Simplify right side
   2,419.59x = 3,481,937.84
5. Step 5: Solve for x
   x = 3,481,937.84/2,419.59
6. Step 6: Final answer
   x = 1,439.06