Finding the Fourth Proportional to 2,019.84, 3,031.60 and 1,046.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.84 : 3,031.60 = 1,046.56 : x
2. Step 2: Convert to fraction form
   2,019.84/3,031.60 = 1,046.56/x
3. Step 3: Cross multiply
   2,019.84x = 3,031.60 × 1,046.56
4. Step 4: Simplify right side
   2,019.84x = 3,172,751.30
5. Step 5: Solve for x
   x = 3,172,751.30/2,019.84
6. Step 6: Final answer
   x = 1,570.79