Finding the Fourth Proportional to 2,767.48, 3,822.43 and 2,020.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.48 : 3,822.43 = 2,020.24 : x
2. Step 2: Convert to fraction form
   2,767.48/3,822.43 = 2,020.24/x
3. Step 3: Cross multiply
   2,767.48x = 3,822.43 × 2,020.24
4. Step 4: Simplify right side
   2,767.48x = 7,722,225.98
5. Step 5: Solve for x
   x = 7,722,225.98/2,767.48
6. Step 6: Final answer
   x = 2,790.35