Finding the Fourth Proportional to 1,463.49, 2,018.70 and 1,021.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.49 : 2,018.70 = 1,021.23 : x
2. Step 2: Convert to fraction form
   1,463.49/2,018.70 = 1,021.23/x
3. Step 3: Cross multiply
   1,463.49x = 2,018.70 × 1,021.23
4. Step 4: Simplify right side
   1,463.49x = 2,061,558.22
5. Step 5: Solve for x
   x = 2,061,558.22/1,463.49
6. Step 6: Final answer
   x = 1,408.66