Finding the Fourth Proportional to 1,463.30, 2,015.94 and 1,020.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.30 : 2,015.94 = 1,020.42 : x
2. Step 2: Convert to fraction form
   1,463.30/2,015.94 = 1,020.42/x
3. Step 3: Cross multiply
   1,463.30x = 2,015.94 × 1,020.42
4. Step 4: Simplify right side
   1,463.30x = 2,057,105.49
5. Step 5: Solve for x
   x = 2,057,105.49/1,463.30
6. Step 6: Final answer
   x = 1,405.80