Finding the Fourth Proportional to 2,151.57, 2,964.05 and 2,022.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.57 : 2,964.05 = 2,022.38 : x
2. Step 2: Convert to fraction form
   2,151.57/2,964.05 = 2,022.38/x
3. Step 3: Cross multiply
   2,151.57x = 2,964.05 × 2,022.38
4. Step 4: Simplify right side
   2,151.57x = 5,994,420.62
5. Step 5: Solve for x
   x = 5,994,420.62/2,151.57
6. Step 6: Final answer
   x = 2,786.07