Finding the Fourth Proportional to 2,561.73, 3,534.84 and 1,442.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.73 : 3,534.84 = 1,442.48 : x
2. Step 2: Convert to fraction form
   2,561.73/3,534.84 = 1,442.48/x
3. Step 3: Cross multiply
   2,561.73x = 3,534.84 × 1,442.48
4. Step 4: Simplify right side
   2,561.73x = 5,098,918.33
5. Step 5: Solve for x
   x = 5,098,918.33/2,561.73
6. Step 6: Final answer
   x = 1,990.42