Finding the Fourth Proportional to 8,196.50, 11,311.18 and 4,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.50 : 11,311.18 = 4,470.50 : x
2. Step 2: Convert to fraction form
   8,196.50/11,311.18 = 4,470.50/x
3. Step 3: Cross multiply
   8,196.50x = 11,311.18 × 4,470.50
4. Step 4: Simplify right side
   8,196.50x = 50,566,630.19
5. Step 5: Solve for x
   x = 50,566,630.19/8,196.50
6. Step 6: Final answer
   x = 6,169.30