Finding the Fourth Proportional to 11,078.56, 16,613.55 and 4,323.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,078.56 : 16,613.55 = 4,323.31 : x
2. Step 2: Convert to fraction form
   11,078.56/16,613.55 = 4,323.31/x
3. Step 3: Cross multiply
   11,078.56x = 16,613.55 × 4,323.31
4. Step 4: Simplify right side
   11,078.56x = 71,825,526.85
5. Step 5: Solve for x
   x = 71,825,526.85/11,078.56
6. Step 6: Final answer
   x = 6,483.29