Finding the Fourth Proportional to 8,196.17, 11,310.72 and 4,659.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.17 : 11,310.72 = 4,659.40 : x
2. Step 2: Convert to fraction form
   8,196.17/11,310.72 = 4,659.40/x
3. Step 3: Cross multiply
   8,196.17x = 11,310.72 × 4,659.40
4. Step 4: Simplify right side
   8,196.17x = 52,701,112.21
5. Step 5: Solve for x
   x = 52,701,112.21/8,196.17
6. Step 6: Final answer
   x = 6,429.97