Finding the Fourth Proportional to 2,605.96, 3,907.54 and 1,143.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.96 : 3,907.54 = 1,143.42 : x
2. Step 2: Convert to fraction form
   2,605.96/3,907.54 = 1,143.42/x
3. Step 3: Cross multiply
   2,605.96x = 3,907.54 × 1,143.42
4. Step 4: Simplify right side
   2,605.96x = 4,467,959.39
5. Step 5: Solve for x
   x = 4,467,959.39/2,605.96
6. Step 6: Final answer
   x = 1,714.52