Finding the Fourth Proportional to 129,733.52, 179,032.28 and 73,144.89

Step by Step Solution

1. Step 1: Write the proportion equation
   129,733.52 : 179,032.28 = 73,144.89 : x
2. Step 2: Convert to fraction form
   129,733.52/179,032.28 = 73,144.89/x
3. Step 3: Cross multiply
   129,733.52x = 179,032.28 × 73,144.89
4. Step 4: Simplify right side
   129,733.52x = 13,095,296,061.32
5. Step 5: Solve for x
   x = 13,095,296,061.32/129,733.52
6. Step 6: Final answer
   x = 100,939.96