Finding the Fourth Proportional to 10,979.22, 16,469.51 and 4,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.22 : 16,469.51 = 4,404.56 : x
2. Step 2: Convert to fraction form
   10,979.22/16,469.51 = 4,404.56/x
3. Step 3: Cross multiply
   10,979.22x = 16,469.51 × 4,404.56
4. Step 4: Simplify right side
   10,979.22x = 72,540,840.60
5. Step 5: Solve for x
   x = 72,540,840.60/10,979.22
6. Step 6: Final answer
   x = 6,607.10