Finding the Fourth Proportional to 78,905.79, 108,842.27 and 50,562.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,905.79 : 108,842.27 = 50,562.27 : x
2. Step 2: Convert to fraction form
   78,905.79/108,842.27 = 50,562.27/x
3. Step 3: Cross multiply
   78,905.79x = 108,842.27 × 50,562.27
4. Step 4: Simplify right side
   78,905.79x = 5,503,311,990.34
5. Step 5: Solve for x
   x = 5,503,311,990.34/78,905.79
6. Step 6: Final answer
   x = 69,745.35