Finding the Fourth Proportional to 3,680.71, 5,522.03 and 2,229.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.71 : 5,522.03 = 2,229.19 : x
2. Step 2: Convert to fraction form
   3,680.71/5,522.03 = 2,229.19/x
3. Step 3: Cross multiply
   3,680.71x = 5,522.03 × 2,229.19
4. Step 4: Simplify right side
   3,680.71x = 12,309,654.06
5. Step 5: Solve for x
   x = 12,309,654.06/3,680.71
6. Step 6: Final answer
   x = 3,344.37