Finding the Fourth Proportional to 3,700.90, 5,107.20 and 2,022.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.90 : 5,107.20 = 2,022.33 : x
2. Step 2: Convert to fraction form
   3,700.90/5,107.20 = 2,022.33/x
3. Step 3: Cross multiply
   3,700.90x = 5,107.20 × 2,022.33
4. Step 4: Simplify right side
   3,700.90x = 10,328,443.78
5. Step 5: Solve for x
   x = 10,328,443.78/3,700.90
6. Step 6: Final answer
   x = 2,790.79