Finding the Fourth Proportional to 3,279.83, 4,920.23 and 1,171.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,279.83 : 4,920.23 = 1,171.29 : x
2. Step 2: Convert to fraction form
   3,279.83/4,920.23 = 1,171.29/x
3. Step 3: Cross multiply
   3,279.83x = 4,920.23 × 1,171.29
4. Step 4: Simplify right side
   3,279.83x = 5,763,016.20
5. Step 5: Solve for x
   x = 5,763,016.20/3,279.83
6. Step 6: Final answer
   x = 1,757.11