Finding the Fourth Proportional to 2,556.88, 3,528.59 and 1,437.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.88 : 3,528.59 = 1,437.81 : x
2. Step 2: Convert to fraction form
   2,556.88/3,528.59 = 1,437.81/x
3. Step 3: Cross multiply
   2,556.88x = 3,528.59 × 1,437.81
4. Step 4: Simplify right side
   2,556.88x = 5,073,445.58
5. Step 5: Solve for x
   x = 5,073,445.58/2,556.88
6. Step 6: Final answer
   x = 1,984.23