Finding the Fourth Proportional to 79,069.74, 109,151.91 and 50,427.87

Step by Step Solution

1. Step 1: Write the proportion equation
   79,069.74 : 109,151.91 = 50,427.87 : x
2. Step 2: Convert to fraction form
   79,069.74/109,151.91 = 50,427.87/x
3. Step 3: Cross multiply
   79,069.74x = 109,151.91 × 50,427.87
4. Step 4: Simplify right side
   79,069.74x = 5,504,298,327.73
5. Step 5: Solve for x
   x = 5,504,298,327.73/79,069.74
6. Step 6: Final answer
   x = 69,613.21