Finding the Fourth Proportional to 79,921.86, 119,936.28 and 33,174.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,921.86 : 119,936.28 = 33,174.72 : x
2. Step 2: Convert to fraction form
   79,921.86/119,936.28 = 33,174.72/x
3. Step 3: Cross multiply
   79,921.86x = 119,936.28 × 33,174.72
4. Step 4: Simplify right side
   79,921.86x = 3,978,852,506.84
5. Step 5: Solve for x
   x = 3,978,852,506.84/79,921.86
6. Step 6: Final answer
   x = 49,784.28