Finding the Fourth Proportional to 2,490.62, 3,735.60 and 1,029.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.62 : 3,735.60 = 1,029.57 : x
2. Step 2: Convert to fraction form
   2,490.62/3,735.60 = 1,029.57/x
3. Step 3: Cross multiply
   2,490.62x = 3,735.60 × 1,029.57
4. Step 4: Simplify right side
   2,490.62x = 3,846,061.69
5. Step 5: Solve for x
   x = 3,846,061.69/2,490.62
6. Step 6: Final answer
   x = 1,544.22