Finding the Fourth Proportional to 2,933.44, 4,399.55 and 853.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.44 : 4,399.55 = 853.00 : x
2. Step 2: Convert to fraction form
   2,933.44/4,399.55 = 853.00/x
3. Step 3: Cross multiply
   2,933.44x = 4,399.55 × 853.00
4. Step 4: Simplify right side
   2,933.44x = 3,752,789.89
5. Step 5: Solve for x
   x = 3,752,789.89/2,933.44
6. Step 6: Final answer
   x = 1,279.32