Finding the Fourth Proportional to 2,556.56, 3,527.45 and 1,437.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.56 : 3,527.45 = 1,437.28 : x
2. Step 2: Convert to fraction form
   2,556.56/3,527.45 = 1,437.28/x
3. Step 3: Cross multiply
   2,556.56x = 3,527.45 × 1,437.28
4. Step 4: Simplify right side
   2,556.56x = 5,069,922.72
5. Step 5: Solve for x
   x = 5,069,922.72/2,556.56
6. Step 6: Final answer
   x = 1,983.10