Finding the Fourth Proportional to 88,005.96, 131,757.37 and 82,419.54

Step by Step Solution

1. Step 1: Write the proportion equation
   88,005.96 : 131,757.37 = 82,419.54 : x
2. Step 2: Convert to fraction form
   88,005.96/131,757.37 = 82,419.54/x
3. Step 3: Cross multiply
   88,005.96x = 131,757.37 × 82,419.54
4. Step 4: Simplify right side
   88,005.96x = 10,859,381,620.96
5. Step 5: Solve for x
   x = 10,859,381,620.96/88,005.96
6. Step 6: Final answer
   x = 123,393.71