Finding the Fourth Proportional to 105,994.50, 159,064.65 and 43,665

Step by Step Solution

1. Step 1: Write the proportion equation
   105,994.50 : 159,064.65 = 43,665 : x
2. Step 2: Convert to fraction form
   105,994.50/159,064.65 = 43,665/x
3. Step 3: Cross multiply
   105,994.50x = 159,064.65 × 43,665
4. Step 4: Simplify right side
   105,994.50x = 6,945,557,942.25
5. Step 5: Solve for x
   x = 6,945,557,942.25/105,994.50
6. Step 6: Final answer
   x = 65,527.53