Finding the Fourth Proportional to 1,314.33, 1,812.47 and 1,019.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.33 : 1,812.47 = 1,019.49 : x
2. Step 2: Convert to fraction form
   1,314.33/1,812.47 = 1,019.49/x
3. Step 3: Cross multiply
   1,314.33x = 1,812.47 × 1,019.49
4. Step 4: Simplify right side
   1,314.33x = 1,847,795.04
5. Step 5: Solve for x
   x = 1,847,795.04/1,314.33
6. Step 6: Final answer
   x = 1,405.88