Finding the Fourth Proportional to 2,019.32, 3,028.39 and 786.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.32 : 3,028.39 = 786.45 : x
2. Step 2: Convert to fraction form
   2,019.32/3,028.39 = 786.45/x
3. Step 3: Cross multiply
   2,019.32x = 3,028.39 × 786.45
4. Step 4: Simplify right side
   2,019.32x = 2,381,675.35
5. Step 5: Solve for x
   x = 2,381,675.35/2,019.32
6. Step 6: Final answer
   x = 1,179.45