Finding the Fourth Proportional to 1,492.27, 2,058.71 and 1,019.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.27 : 2,058.71 = 1,019.40 : x
2. Step 2: Convert to fraction form
   1,492.27/2,058.71 = 1,019.40/x
3. Step 3: Cross multiply
   1,492.27x = 2,058.71 × 1,019.40
4. Step 4: Simplify right side
   1,492.27x = 2,098,651.52
5. Step 5: Solve for x
   x = 2,098,651.52/1,492.27
6. Step 6: Final answer
   x = 1,406.35