Finding the Fourth Proportional to 7,249.58, 10,870.94 and 2,809.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,249.58 : 10,870.94 = 2,809.33 : x
2. Step 2: Convert to fraction form
   7,249.58/10,870.94 = 2,809.33/x
3. Step 3: Cross multiply
   7,249.58x = 10,870.94 × 2,809.33
4. Step 4: Simplify right side
   7,249.58x = 30,540,057.87
5. Step 5: Solve for x
   x = 30,540,057.87/7,249.58
6. Step 6: Final answer
   x = 4,212.67