Finding the Fourth Proportional to 2,335.69, 3,503.91 and 949.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.69 : 3,503.91 = 949.15 : x
2. Step 2: Convert to fraction form
   2,335.69/3,503.91 = 949.15/x
3. Step 3: Cross multiply
   2,335.69x = 3,503.91 × 949.15
4. Step 4: Simplify right side
   2,335.69x = 3,325,736.18
5. Step 5: Solve for x
   x = 3,325,736.18/2,335.69
6. Step 6: Final answer
   x = 1,423.88