Finding the Fourth Proportional to 2,019.36, 3,029.64 and 1,671.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.36 : 3,029.64 = 1,671.12 : x
2. Step 2: Convert to fraction form
   2,019.36/3,029.64 = 1,671.12/x
3. Step 3: Cross multiply
   2,019.36x = 3,029.64 × 1,671.12
4. Step 4: Simplify right side
   2,019.36x = 5,062,892.00
5. Step 5: Solve for x
   x = 5,062,892.00/2,019.36
6. Step 6: Final answer
   x = 2,507.18