Finding the Fourth Proportional to 3,556.69, 5,328.35 and 3,288.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556.69 : 5,328.35 = 3,288.17 : x
2. Step 2: Convert to fraction form
   3,556.69/5,328.35 = 3,288.17/x
3. Step 3: Cross multiply
   3,556.69x = 5,328.35 × 3,288.17
4. Step 4: Simplify right side
   3,556.69x = 17,520,529.83
5. Step 5: Solve for x
   x = 17,520,529.83/3,556.69
6. Step 6: Final answer
   x = 4,926.08