Finding the Fourth Proportional to 2,019.23, 3,029.97 and 786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.23 : 3,029.97 = 786.72 : x
2. Step 2: Convert to fraction form
   2,019.23/3,029.97 = 786.72/x
3. Step 3: Cross multiply
   2,019.23x = 3,029.97 × 786.72
4. Step 4: Simplify right side
   2,019.23x = 2,383,738.00
5. Step 5: Solve for x
   x = 2,383,738.00/2,019.23
6. Step 6: Final answer
   x = 1,180.52