Finding the Fourth Proportional to 2,022.57, 3,034.59 and 790.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.57 : 3,034.59 = 790.88 : x
2. Step 2: Convert to fraction form
   2,022.57/3,034.59 = 790.88/x
3. Step 3: Cross multiply
   2,022.57x = 3,034.59 × 790.88
4. Step 4: Simplify right side
   2,022.57x = 2,399,981.37
5. Step 5: Solve for x
   x = 2,399,981.37/2,022.57
6. Step 6: Final answer
   x = 1,186.60