Finding the Fourth Proportional to 79,383.98, 109,558.59 and 50,730.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,383.98 : 109,558.59 = 50,730.05 : x
2. Step 2: Convert to fraction form
   79,383.98/109,558.59 = 50,730.05/x
3. Step 3: Cross multiply
   79,383.98x = 109,558.59 × 50,730.05
4. Step 4: Simplify right side
   79,383.98x = 5,557,912,748.63
5. Step 5: Solve for x
   x = 5,557,912,748.63/79,383.98
6. Step 6: Final answer
   x = 70,013.03