Finding the Fourth Proportional to 2,798.84, 4,196.88 and 949.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798.84 : 4,196.88 = 949.28 : x
2. Step 2: Convert to fraction form
   2,798.84/4,196.88 = 949.28/x
3. Step 3: Cross multiply
   2,798.84x = 4,196.88 × 949.28
4. Step 4: Simplify right side
   2,798.84x = 3,984,014.25
5. Step 5: Solve for x
   x = 3,984,014.25/2,798.84
6. Step 6: Final answer
   x = 1,423.45