Finding the Fourth Proportional to 2,012.99, 3,019.94 and 714.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.99 : 3,019.94 = 714.46 : x
2. Step 2: Convert to fraction form
   2,012.99/3,019.94 = 714.46/x
3. Step 3: Cross multiply
   2,012.99x = 3,019.94 × 714.46
4. Step 4: Simplify right side
   2,012.99x = 2,157,626.33
5. Step 5: Solve for x
   x = 2,157,626.33/2,012.99
6. Step 6: Final answer
   x = 1,071.85