Finding the Fourth Proportional to 8,196.72, 11,311.14 and 4,611.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.72 : 11,311.14 = 4,611.60 : x
2. Step 2: Convert to fraction form
   8,196.72/11,311.14 = 4,611.60/x
3. Step 3: Cross multiply
   8,196.72x = 11,311.14 × 4,611.60
4. Step 4: Simplify right side
   8,196.72x = 52,162,453.22
5. Step 5: Solve for x
   x = 52,162,453.22/8,196.72
6. Step 6: Final answer
   x = 6,363.82