Finding the Fourth Proportional to 2,022.84, 2,790.81 and 1,550.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.84 : 2,790.81 = 1,550.88 : x
2. Step 2: Convert to fraction form
   2,022.84/2,790.81 = 1,550.88/x
3. Step 3: Cross multiply
   2,022.84x = 2,790.81 × 1,550.88
4. Step 4: Simplify right side
   2,022.84x = 4,328,211.41
5. Step 5: Solve for x
   x = 4,328,211.41/2,022.84
6. Step 6: Final answer
   x = 2,139.67