Finding the Fourth Proportional to 2,019.30, 3,030.87 and 1,046.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.30 : 3,030.87 = 1,046.10 : x
2. Step 2: Convert to fraction form
   2,019.30/3,030.87 = 1,046.10/x
3. Step 3: Cross multiply
   2,019.30x = 3,030.87 × 1,046.10
4. Step 4: Simplify right side
   2,019.30x = 3,170,593.11
5. Step 5: Solve for x
   x = 3,170,593.11/2,019.30
6. Step 6: Final answer
   x = 1,570.14