Finding the Fourth Proportional to 2,556.72, 3,528.36 and 1,508.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.72 : 3,528.36 = 1,508.76 : x
2. Step 2: Convert to fraction form
   2,556.72/3,528.36 = 1,508.76/x
3. Step 3: Cross multiply
   2,556.72x = 3,528.36 × 1,508.76
4. Step 4: Simplify right side
   2,556.72x = 5,323,448.43
5. Step 5: Solve for x
   x = 5,323,448.43/2,556.72
6. Step 6: Final answer
   x = 2,082.14