Finding the Fourth Proportional to 2,022.93, 2,791.70 and 1,138.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.93 : 2,791.70 = 1,138.82 : x
2. Step 2: Convert to fraction form
   2,022.93/2,791.70 = 1,138.82/x
3. Step 3: Cross multiply
   2,022.93x = 2,791.70 × 1,138.82
4. Step 4: Simplify right side
   2,022.93x = 3,179,224.14
5. Step 5: Solve for x
   x = 3,179,224.14/2,022.93
6. Step 6: Final answer
   x = 1,571.59