Finding the Fourth Proportional to 2,556.47, 3,528.23 and 1,437.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.47 : 3,528.23 = 1,437.45 : x
2. Step 2: Convert to fraction form
   2,556.47/3,528.23 = 1,437.45/x
3. Step 3: Cross multiply
   2,556.47x = 3,528.23 × 1,437.45
4. Step 4: Simplify right side
   2,556.47x = 5,071,647.03
5. Step 5: Solve for x
   x = 5,071,647.03/2,556.47
6. Step 6: Final answer
   x = 1,983.85