Finding the Fourth Proportional to 2,577.83, 3,556.96 and 1,443.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.83 : 3,556.96 = 1,443.47 : x
2. Step 2: Convert to fraction form
   2,577.83/3,556.96 = 1,443.47/x
3. Step 3: Cross multiply
   2,577.83x = 3,556.96 × 1,443.47
4. Step 4: Simplify right side
   2,577.83x = 5,134,371.79
5. Step 5: Solve for x
   x = 5,134,371.79/2,577.83
6. Step 6: Final answer
   x = 1,991.75