Finding the Fourth Proportional to 78,992.27, 108,998.80 and 50,736.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,992.27 : 108,998.80 = 50,736.23 : x
2. Step 2: Convert to fraction form
   78,992.27/108,998.80 = 50,736.23/x
3. Step 3: Cross multiply
   78,992.27x = 108,998.80 × 50,736.23
4. Step 4: Simplify right side
   78,992.27x = 5,530,188,186.52
5. Step 5: Solve for x
   x = 5,530,188,186.52/78,992.27
6. Step 6: Final answer
   x = 70,009.23