Finding the Fourth Proportional to 7,235.91, 10,855.62 and 2,853.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,235.91 : 10,855.62 = 2,853.54 : x
2. Step 2: Convert to fraction form
   7,235.91/10,855.62 = 2,853.54/x
3. Step 3: Cross multiply
   7,235.91x = 10,855.62 × 2,853.54
4. Step 4: Simplify right side
   7,235.91x = 30,976,945.89
5. Step 5: Solve for x
   x = 30,976,945.89/7,235.91
6. Step 6: Final answer
   x = 4,281.00