Finding the Fourth Proportional to 2,022.72, 3,034.17 and 561.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.72 : 3,034.17 = 561.84 : x
2. Step 2: Convert to fraction form
   2,022.72/3,034.17 = 561.84/x
3. Step 3: Cross multiply
   2,022.72x = 3,034.17 × 561.84
4. Step 4: Simplify right side
   2,022.72x = 1,704,718.07
5. Step 5: Solve for x
   x = 1,704,718.07/2,022.72
6. Step 6: Final answer
   x = 842.78