Finding the Fourth Proportional to 2,556.75, 3,528.12 and 1,437.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.75 : 3,528.12 = 1,437.48 : x
2. Step 2: Convert to fraction form
   2,556.75/3,528.12 = 1,437.48/x
3. Step 3: Cross multiply
   2,556.75x = 3,528.12 × 1,437.48
4. Step 4: Simplify right side
   2,556.75x = 5,071,601.94
5. Step 5: Solve for x
   x = 5,071,601.94/2,556.75
6. Step 6: Final answer
   x = 1,983.61