Finding the Fourth Proportional to 2,022.80, 3,030.84 and 1,854.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.80 : 3,030.84 = 1,854.86 : x
2. Step 2: Convert to fraction form
   2,022.80/3,030.84 = 1,854.86/x
3. Step 3: Cross multiply
   2,022.80x = 3,030.84 × 1,854.86
4. Step 4: Simplify right side
   2,022.80x = 5,621,768.73
5. Step 5: Solve for x
   x = 5,621,768.73/2,022.80
6. Step 6: Final answer
   x = 2,779.21