Finding the Fourth Proportional to 105,016.98, 144,917.73 and 60,304.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,016.98 : 144,917.73 = 60,304.98 : x
2. Step 2: Convert to fraction form
   105,016.98/144,917.73 = 60,304.98/x
3. Step 3: Cross multiply
   105,016.98x = 144,917.73 × 60,304.98
4. Step 4: Simplify right side
   105,016.98x = 8,739,260,809.30
5. Step 5: Solve for x
   x = 8,739,260,809.30/105,016.98
6. Step 6: Final answer
   x = 83,217.60