Finding the Fourth Proportional to 2,604.78, 3,593.37 and 1,556.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.78 : 3,593.37 = 1,556.76 : x
2. Step 2: Convert to fraction form
   2,604.78/3,593.37 = 1,556.76/x
3. Step 3: Cross multiply
   2,604.78x = 3,593.37 × 1,556.76
4. Step 4: Simplify right side
   2,604.78x = 5,594,014.68
5. Step 5: Solve for x
   x = 5,594,014.68/2,604.78
6. Step 6: Final answer
   x = 2,147.60