Finding the Fourth Proportional to 2,561.94, 3,535.43 and 1,442.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.94 : 3,535.43 = 1,442.84 : x
2. Step 2: Convert to fraction form
   2,561.94/3,535.43 = 1,442.84/x
3. Step 3: Cross multiply
   2,561.94x = 3,535.43 × 1,442.84
4. Step 4: Simplify right side
   2,561.94x = 5,101,034.93
5. Step 5: Solve for x
   x = 5,101,034.93/2,561.94
6. Step 6: Final answer
   x = 1,991.08