Finding the Fourth Proportional to 131,568.22, 181,647.17 and 91,267.89

Step by Step Solution

1. Step 1: Write the proportion equation
   131,568.22 : 181,647.17 = 91,267.89 : x
2. Step 2: Convert to fraction form
   131,568.22/181,647.17 = 91,267.89/x
3. Step 3: Cross multiply
   131,568.22x = 181,647.17 × 91,267.89
4. Step 4: Simplify right side
   131,568.22x = 16,578,553,930.37
5. Step 5: Solve for x
   x = 16,578,553,930.37/131,568.22
6. Step 6: Final answer
   x = 126,007.28