Finding the Fourth Proportional to 72,016.98, 99,269.73 and 50,762.58

Step by Step Solution

1. Step 1: Write the proportion equation
   72,016.98 : 99,269.73 = 50,762.58 : x
2. Step 2: Convert to fraction form
   72,016.98/99,269.73 = 50,762.58/x
3. Step 3: Cross multiply
   72,016.98x = 99,269.73 × 50,762.58
4. Step 4: Simplify right side
   72,016.98x = 5,039,187,610.70
5. Step 5: Solve for x
   x = 5,039,187,610.70/72,016.98
6. Step 6: Final answer
   x = 69,972.22