Finding the Fourth Proportional to 3,684.42, 5,523.86 and 2,223.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,684.42 : 5,523.86 = 2,223.22 : x
2. Step 2: Convert to fraction form
   3,684.42/5,523.86 = 2,223.22/x
3. Step 3: Cross multiply
   3,684.42x = 5,523.86 × 2,223.22
4. Step 4: Simplify right side
   3,684.42x = 12,280,756.03
5. Step 5: Solve for x
   x = 12,280,756.03/3,684.42
6. Step 6: Final answer
   x = 3,333.16