Finding the Fourth Proportional to 8,196.75, 11,308.89 and 4,659.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.75 : 11,308.89 = 4,659.30 : x
2. Step 2: Convert to fraction form
   8,196.75/11,308.89 = 4,659.30/x
3. Step 3: Cross multiply
   8,196.75x = 11,308.89 × 4,659.30
4. Step 4: Simplify right side
   8,196.75x = 52,691,511.18
5. Step 5: Solve for x
   x = 52,691,511.18/8,196.75
6. Step 6: Final answer
   x = 6,428.34