Finding the Fourth Proportional to 5,410.52, 8,105.26 and 3,556.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.52 : 8,105.26 = 3,556.05 : x
2. Step 2: Convert to fraction form
   5,410.52/8,105.26 = 3,556.05/x
3. Step 3: Cross multiply
   5,410.52x = 8,105.26 × 3,556.05
4. Step 4: Simplify right side
   5,410.52x = 28,822,709.82
5. Step 5: Solve for x
   x = 28,822,709.82/5,410.52
6. Step 6: Final answer
   x = 5,327.16