Finding the Fourth Proportional to 5,410.65, 8,105.46 and 3,556.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.65 : 8,105.46 = 3,556.17 : x
2. Step 2: Convert to fraction form
   5,410.65/8,105.46 = 3,556.17/x
3. Step 3: Cross multiply
   5,410.65x = 8,105.46 × 3,556.17
4. Step 4: Simplify right side
   5,410.65x = 28,824,393.69
5. Step 5: Solve for x
   x = 28,824,393.69/5,410.65
6. Step 6: Final answer
   x = 5,327.34