Finding the Fourth Proportional to 2,021.81, 3,034.34 and 1,048.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.81 : 3,034.34 = 1,048.19 : x
2. Step 2: Convert to fraction form
   2,021.81/3,034.34 = 1,048.19/x
3. Step 3: Cross multiply
   2,021.81x = 3,034.34 × 1,048.19
4. Step 4: Simplify right side
   2,021.81x = 3,180,544.43
5. Step 5: Solve for x
   x = 3,180,544.43/2,021.81
6. Step 6: Final answer
   x = 1,573.12