Finding the Fourth Proportional to 146,936.16, 202,757.72 and 82,408.05

Step by Step Solution

1. Step 1: Write the proportion equation
   146,936.16 : 202,757.72 = 82,408.05 : x
2. Step 2: Convert to fraction form
   146,936.16/202,757.72 = 82,408.05/x
3. Step 3: Cross multiply
   146,936.16x = 202,757.72 × 82,408.05
4. Step 4: Simplify right side
   146,936.16x = 16,708,867,915.61
5. Step 5: Solve for x
   x = 16,708,867,915.61/146,936.16
6. Step 6: Final answer
   x = 113,715.15