Finding the Fourth Proportional to 8,196.89, 11,311.67 and 4,660.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.89 : 11,311.67 = 4,660.10 : x
2. Step 2: Convert to fraction form
   8,196.89/11,311.67 = 4,660.10/x
3. Step 3: Cross multiply
   8,196.89x = 11,311.67 × 4,660.10
4. Step 4: Simplify right side
   8,196.89x = 52,713,468.46
5. Step 5: Solve for x
   x = 52,713,468.46/8,196.89
6. Step 6: Final answer
   x = 6,430.91