Finding the Fourth Proportional to 3,819.97, 5,730.02 and 1,222.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.97 : 5,730.02 = 1,222.91 : x
2. Step 2: Convert to fraction form
   3,819.97/5,730.02 = 1,222.91/x
3. Step 3: Cross multiply
   3,819.97x = 5,730.02 × 1,222.91
4. Step 4: Simplify right side
   3,819.97x = 7,007,298.76
5. Step 5: Solve for x
   x = 7,007,298.76/3,819.97
6. Step 6: Final answer
   x = 1,834.39