Finding the Fourth Proportional to 129,761.85, 179,040.72 and 73,162.29

Step by Step Solution

1. Step 1: Write the proportion equation
   129,761.85 : 179,040.72 = 73,162.29 : x
2. Step 2: Convert to fraction form
   129,761.85/179,040.72 = 73,162.29/x
3. Step 3: Cross multiply
   129,761.85x = 179,040.72 × 73,162.29
4. Step 4: Simplify right side
   129,761.85x = 13,099,029,078.45
5. Step 5: Solve for x
   x = 13,099,029,078.45/129,761.85
6. Step 6: Final answer
   x = 100,946.69