Finding the Fourth Proportional to 2,019.60, 3,028.86 and 1,046.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.60 : 3,028.86 = 1,046.16 : x
2. Step 2: Convert to fraction form
   2,019.60/3,028.86 = 1,046.16/x
3. Step 3: Cross multiply
   2,019.60x = 3,028.86 × 1,046.16
4. Step 4: Simplify right side
   2,019.60x = 3,168,672.18
5. Step 5: Solve for x
   x = 3,168,672.18/2,019.60
6. Step 6: Final answer
   x = 1,568.96