Finding the Fourth Proportional to 2,556.34, 3,527.77 and 1,437.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.34 : 3,527.77 = 1,437.21 : x
2. Step 2: Convert to fraction form
   2,556.34/3,527.77 = 1,437.21/x
3. Step 3: Cross multiply
   2,556.34x = 3,527.77 × 1,437.21
4. Step 4: Simplify right side
   2,556.34x = 5,070,146.32
5. Step 5: Solve for x
   x = 5,070,146.32/2,556.34
6. Step 6: Final answer
   x = 1,983.36