Finding the Fourth Proportional to 3,819.55, 5,729.43 and 1,222.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.55 : 5,729.43 = 1,222.49 : x
2. Step 2: Convert to fraction form
   3,819.55/5,729.43 = 1,222.49/x
3. Step 3: Cross multiply
   3,819.55x = 5,729.43 × 1,222.49
4. Step 4: Simplify right side
   3,819.55x = 7,004,170.88
5. Step 5: Solve for x
   x = 7,004,170.88/3,819.55
6. Step 6: Final answer
   x = 1,833.77