Finding the Fourth Proportional to 2,012.38, 3,019.11 and 713.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.38 : 3,019.11 = 713.92 : x
2. Step 2: Convert to fraction form
   2,012.38/3,019.11 = 713.92/x
3. Step 3: Cross multiply
   2,012.38x = 3,019.11 × 713.92
4. Step 4: Simplify right side
   2,012.38x = 2,155,403.01
5. Step 5: Solve for x
   x = 2,155,403.01/2,012.38
6. Step 6: Final answer
   x = 1,071.07