Finding the Fourth Proportional to 82,217.40, 113,469.57 and 68,395.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,217.40 : 113,469.57 = 68,395.29 : x
2. Step 2: Convert to fraction form
   82,217.40/113,469.57 = 68,395.29/x
3. Step 3: Cross multiply
   82,217.40x = 113,469.57 × 68,395.29
4. Step 4: Simplify right side
   82,217.40x = 7,760,784,146.33
5. Step 5: Solve for x
   x = 7,760,784,146.33/82,217.40
6. Step 6: Final answer
   x = 94,393.45