Finding the Fourth Proportional to 7,164.45, 9,885.59 and 4,179.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,164.45 : 9,885.59 = 4,179.54 : x
2. Step 2: Convert to fraction form
   7,164.45/9,885.59 = 4,179.54/x
3. Step 3: Cross multiply
   7,164.45x = 9,885.59 × 4,179.54
4. Step 4: Simplify right side
   7,164.45x = 41,317,218.83
5. Step 5: Solve for x
   x = 41,317,218.83/7,164.45
6. Step 6: Final answer
   x = 5,766.98