Finding the Fourth Proportional to 2,022.03, 2,790.18 and 1,137.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.03 : 2,790.18 = 1,137.82 : x
2. Step 2: Convert to fraction form
   2,022.03/2,790.18 = 1,137.82/x
3. Step 3: Cross multiply
   2,022.03x = 2,790.18 × 1,137.82
4. Step 4: Simplify right side
   2,022.03x = 3,174,722.61
5. Step 5: Solve for x
   x = 3,174,722.61/2,022.03
6. Step 6: Final answer
   x = 1,570.07