Finding the Fourth Proportional to 2,556.41, 3,528.05 and 1,437.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.41 : 3,528.05 = 1,437.40 : x
2. Step 2: Convert to fraction form
   2,556.41/3,528.05 = 1,437.40/x
3. Step 3: Cross multiply
   2,556.41x = 3,528.05 × 1,437.40
4. Step 4: Simplify right side
   2,556.41x = 5,071,219.07
5. Step 5: Solve for x
   x = 5,071,219.07/2,556.41
6. Step 6: Final answer
   x = 1,983.73