Finding the Fourth Proportional to 131,496.82, 181,422.87 and 80,456.34

Step by Step Solution

1. Step 1: Write the proportion equation
   131,496.82 : 181,422.87 = 80,456.34 : x
2. Step 2: Convert to fraction form
   131,496.82/181,422.87 = 80,456.34/x
3. Step 3: Cross multiply
   131,496.82x = 181,422.87 × 80,456.34
4. Step 4: Simplify right side
   131,496.82x = 14,596,620,112.50
5. Step 5: Solve for x
   x = 14,596,620,112.50/131,496.82
6. Step 6: Final answer
   x = 111,003.60