Finding the Fourth Proportional to 1,456.29, 2,006.28 and 1,013.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.29 : 2,006.28 = 1,013.42 : x
2. Step 2: Convert to fraction form
   1,456.29/2,006.28 = 1,013.42/x
3. Step 3: Cross multiply
   1,456.29x = 2,006.28 × 1,013.42
4. Step 4: Simplify right side
   1,456.29x = 2,033,194.25
5. Step 5: Solve for x
   x = 2,033,194.25/1,456.29
6. Step 6: Final answer
   x = 1,396.15