Finding the Fourth Proportional to 2,429.59, 3,644.85 and 1,042.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.59 : 3,644.85 = 1,042.73 : x
2. Step 2: Convert to fraction form
   2,429.59/3,644.85 = 1,042.73/x
3. Step 3: Cross multiply
   2,429.59x = 3,644.85 × 1,042.73
4. Step 4: Simplify right side
   2,429.59x = 3,800,594.44
5. Step 5: Solve for x
   x = 3,800,594.44/2,429.59
6. Step 6: Final answer
   x = 1,564.29