Finding the Fourth Proportional to 2,556.79, 3,528.17 and 1,437.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.79 : 3,528.17 = 1,437.52 : x
2. Step 2: Convert to fraction form
   2,556.79/3,528.17 = 1,437.52/x
3. Step 3: Cross multiply
   2,556.79x = 3,528.17 × 1,437.52
4. Step 4: Simplify right side
   2,556.79x = 5,071,812.16
5. Step 5: Solve for x
   x = 5,071,812.16/2,556.79
6. Step 6: Final answer
   x = 1,983.66