Finding the Fourth Proportional to 3,300.09, 4,555.53 and 2,223.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.09 : 4,555.53 = 2,223.60 : x
2. Step 2: Convert to fraction form
   3,300.09/4,555.53 = 2,223.60/x
3. Step 3: Cross multiply
   3,300.09x = 4,555.53 × 2,223.60
4. Step 4: Simplify right side
   3,300.09x = 10,129,676.51
5. Step 5: Solve for x
   x = 10,129,676.51/3,300.09
6. Step 6: Final answer
   x = 3,069.52