Finding the Fourth Proportional to 2,019.38, 2,786.25 and 1,179.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.38 : 2,786.25 = 1,179.60 : x
2. Step 2: Convert to fraction form
   2,019.38/2,786.25 = 1,179.60/x
3. Step 3: Cross multiply
   2,019.38x = 2,786.25 × 1,179.60
4. Step 4: Simplify right side
   2,019.38x = 3,286,660.50
5. Step 5: Solve for x
   x = 3,286,660.50/2,019.38
6. Step 6: Final answer
   x = 1,627.56