Finding the Fourth Proportional to 1,463.69, 2,016.53 and 1,394.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.69 : 2,016.53 = 1,394.57 : x
2. Step 2: Convert to fraction form
   1,463.69/2,016.53 = 1,394.57/x
3. Step 3: Cross multiply
   1,463.69x = 2,016.53 × 1,394.57
4. Step 4: Simplify right side
   1,463.69x = 2,812,185.27
5. Step 5: Solve for x
   x = 2,812,185.27/1,463.69
6. Step 6: Final answer
   x = 1,921.30