Finding the Fourth Proportional to 2,042.57, 2,819.25 and 1,202.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.57 : 2,819.25 = 1,202.96 : x
2. Step 2: Convert to fraction form
   2,042.57/2,819.25 = 1,202.96/x
3. Step 3: Cross multiply
   2,042.57x = 2,819.25 × 1,202.96
4. Step 4: Simplify right side
   2,042.57x = 3,391,461.83
5. Step 5: Solve for x
   x = 3,391,461.83/2,042.57
6. Step 6: Final answer
   x = 1,660.39