Finding the Fourth Proportional to 2,556.50, 3,528.32 and 1,437.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.50 : 3,528.32 = 1,437.89 : x
2. Step 2: Convert to fraction form
   2,556.50/3,528.32 = 1,437.89/x
3. Step 3: Cross multiply
   2,556.50x = 3,528.32 × 1,437.89
4. Step 4: Simplify right side
   2,556.50x = 5,073,311.21
5. Step 5: Solve for x
   x = 5,073,311.21/2,556.50
6. Step 6: Final answer
   x = 1,984.48