Finding the Fourth Proportional to 2,012.04, 3,019.68 and 1,038.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.04 : 3,019.68 = 1,038.96 : x
2. Step 2: Convert to fraction form
   2,012.04/3,019.68 = 1,038.96/x
3. Step 3: Cross multiply
   2,012.04x = 3,019.68 × 1,038.96
4. Step 4: Simplify right side
   2,012.04x = 3,137,326.73
5. Step 5: Solve for x
   x = 3,137,326.73/2,012.04
6. Step 6: Final answer
   x = 1,559.28