Finding the Fourth Proportional to 179,429.97, 268,943.79 and 72,789.15

Step by Step Solution

1. Step 1: Write the proportion equation
   179,429.97 : 268,943.79 = 72,789.15 : x
2. Step 2: Convert to fraction form
   179,429.97/268,943.79 = 72,789.15/x
3. Step 3: Cross multiply
   179,429.97x = 268,943.79 × 72,789.15
4. Step 4: Simplify right side
   179,429.97x = 19,576,189,871.88
5. Step 5: Solve for x
   x = 19,576,189,871.88/179,429.97
6. Step 6: Final answer
   x = 109,102.12