Finding the Fourth Proportional to 2,561.97, 3,535.52 and 1,442.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.97 : 3,535.52 = 1,442.93 : x
2. Step 2: Convert to fraction form
   2,561.97/3,535.52 = 1,442.93/x
3. Step 3: Cross multiply
   2,561.97x = 3,535.52 × 1,442.93
4. Step 4: Simplify right side
   2,561.97x = 5,101,482.98
5. Step 5: Solve for x
   x = 5,101,482.98/2,561.97
6. Step 6: Final answer
   x = 1,991.23