Finding the Fourth Proportional to 2,823.50, 4,234.55 and 1,179.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,823.50 : 4,234.55 = 1,179.15 : x
2. Step 2: Convert to fraction form
   2,823.50/4,234.55 = 1,179.15/x
3. Step 3: Cross multiply
   2,823.50x = 4,234.55 × 1,179.15
4. Step 4: Simplify right side
   2,823.50x = 4,993,169.63
5. Step 5: Solve for x
   x = 4,993,169.63/2,823.50
6. Step 6: Final answer
   x = 1,768.44