Finding the Fourth Proportional to 79,327.72, 109,383.78 and 50,994.28

Step by Step Solution

1. Step 1: Write the proportion equation
   79,327.72 : 109,383.78 = 50,994.28 : x
2. Step 2: Convert to fraction form
   79,327.72/109,383.78 = 50,994.28/x
3. Step 3: Cross multiply
   79,327.72x = 109,383.78 × 50,994.28
4. Step 4: Simplify right side
   79,327.72x = 5,577,947,104.78
5. Step 5: Solve for x
   x = 5,577,947,104.78/79,327.72
6. Step 6: Final answer
   x = 70,315.23