Finding the Fourth Proportional to 2,562.80, 3,536.40 and 1,443.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.80 : 3,536.40 = 1,443.56 : x
2. Step 2: Convert to fraction form
   2,562.80/3,536.40 = 1,443.56/x
3. Step 3: Cross multiply
   2,562.80x = 3,536.40 × 1,443.56
4. Step 4: Simplify right side
   2,562.80x = 5,105,005.58
5. Step 5: Solve for x
   x = 5,105,005.58/2,562.80
6. Step 6: Final answer
   x = 1,991.96