Finding the Fourth Proportional to 2,022.20, 3,033.45 and 1,780.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.20 : 3,033.45 = 1,780.41 : x
2. Step 2: Convert to fraction form
   2,022.20/3,033.45 = 1,780.41/x
3. Step 3: Cross multiply
   2,022.20x = 3,033.45 × 1,780.41
4. Step 4: Simplify right side
   2,022.20x = 5,400,784.71
5. Step 5: Solve for x
   x = 5,400,784.71/2,022.20
6. Step 6: Final answer
   x = 2,670.75