Finding the Fourth Proportional to 2,556.20, 3,527.30 and 1,436.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.20 : 3,527.30 = 1,436.96 : x
2. Step 2: Convert to fraction form
   2,556.20/3,527.30 = 1,436.96/x
3. Step 3: Cross multiply
   2,556.20x = 3,527.30 × 1,436.96
4. Step 4: Simplify right side
   2,556.20x = 5,068,589.01
5. Step 5: Solve for x
   x = 5,068,589.01/2,556.20
6. Step 6: Final answer
   x = 1,982.86