Finding the Fourth Proportional to 2,556.94, 3,528.54 and 1,437.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.94 : 3,528.54 = 1,437.86 : x
2. Step 2: Convert to fraction form
   2,556.94/3,528.54 = 1,437.86/x
3. Step 3: Cross multiply
   2,556.94x = 3,528.54 × 1,437.86
4. Step 4: Simplify right side
   2,556.94x = 5,073,546.52
5. Step 5: Solve for x
   x = 5,073,546.52/2,556.94
6. Step 6: Final answer
   x = 1,984.23