Finding the Fourth Proportional to 2,556.67, 3,528.16 and 1,508.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.67 : 3,528.16 = 1,508.71 : x
2. Step 2: Convert to fraction form
   2,556.67/3,528.16 = 1,508.71/x
3. Step 3: Cross multiply
   2,556.67x = 3,528.16 × 1,508.71
4. Step 4: Simplify right side
   2,556.67x = 5,322,970.27
5. Step 5: Solve for x
   x = 5,322,970.27/2,556.67
6. Step 6: Final answer
   x = 2,081.99