Finding the Fourth Proportional to 2,022.66, 2,789.91 and 1,235.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.66 : 2,789.91 = 1,235.34 : x
2. Step 2: Convert to fraction form
   2,022.66/2,789.91 = 1,235.34/x
3. Step 3: Cross multiply
   2,022.66x = 2,789.91 × 1,235.34
4. Step 4: Simplify right side
   2,022.66x = 3,446,487.42
5. Step 5: Solve for x
   x = 3,446,487.42/2,022.66
6. Step 6: Final answer
   x = 1,703.94