Finding the Fourth Proportional to 2,019.83, 2,788.61 and 1,601.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.83 : 2,788.61 = 1,601.87 : x
2. Step 2: Convert to fraction form
   2,019.83/2,788.61 = 1,601.87/x
3. Step 3: Cross multiply
   2,019.83x = 2,788.61 × 1,601.87
4. Step 4: Simplify right side
   2,019.83x = 4,466,982.69
5. Step 5: Solve for x
   x = 4,466,982.69/2,019.83
6. Step 6: Final answer
   x = 2,211.56