Finding the Fourth Proportional to 2,042.38, 2,819.00 and 1,202.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.38 : 2,819.00 = 1,202.78 : x
2. Step 2: Convert to fraction form
   2,042.38/2,819.00 = 1,202.78/x
3. Step 3: Cross multiply
   2,042.38x = 2,819.00 × 1,202.78
4. Step 4: Simplify right side
   2,042.38x = 3,390,622.00
5. Step 5: Solve for x
   x = 3,390,622.00/2,042.38
6. Step 6: Final answer
   x = 1,660.13