Finding the Fourth Proportional to 2,019.58, 3,031 and 1,045.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.58 : 3,031 = 1,045.96 : x
2. Step 2: Convert to fraction form
   2,019.58/3,031 = 1,045.96/x
3. Step 3: Cross multiply
   2,019.58x = 3,031 × 1,045.96
4. Step 4: Simplify right side
   2,019.58x = 3,170,304.76
5. Step 5: Solve for x
   x = 3,170,304.76/2,019.58
6. Step 6: Final answer
   x = 1,569.78