Finding the Fourth Proportional to 91,644.33, 126,164.75 and 82,196.49

Step by Step Solution

1. Step 1: Write the proportion equation
   91,644.33 : 126,164.75 = 82,196.49 : x
2. Step 2: Convert to fraction form
   91,644.33/126,164.75 = 82,196.49/x
3. Step 3: Cross multiply
   91,644.33x = 126,164.75 × 82,196.49
4. Step 4: Simplify right side
   91,644.33x = 10,370,299,200.75
5. Step 5: Solve for x
   x = 10,370,299,200.75/91,644.33
6. Step 6: Final answer
   x = 113,158.11