Finding the Fourth Proportional to 79,384.98, 109,559.97 and 50,731.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,384.98 : 109,559.97 = 50,731.05 : x
2. Step 2: Convert to fraction form
   79,384.98/109,559.97 = 50,731.05/x
3. Step 3: Cross multiply
   79,384.98x = 109,559.97 × 50,731.05
4. Step 4: Simplify right side
   79,384.98x = 5,558,092,316.07
5. Step 5: Solve for x
   x = 5,558,092,316.07/79,384.98
6. Step 6: Final answer
   x = 70,014.41