Finding the Fourth Proportional to 2,019.69, 2,788.74 and 1,576.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.69 : 2,788.74 = 1,576.82 : x
2. Step 2: Convert to fraction form
   2,019.69/2,788.74 = 1,576.82/x
3. Step 3: Cross multiply
   2,019.69x = 2,788.74 × 1,576.82
4. Step 4: Simplify right side
   2,019.69x = 4,397,327.06
5. Step 5: Solve for x
   x = 4,397,327.06/2,019.69
6. Step 6: Final answer
   x = 2,177.23