Finding the Fourth Proportional to 105,805.24, 158,548.39 and 63,639.27

Step by Step Solution

1. Step 1: Write the proportion equation
   105,805.24 : 158,548.39 = 63,639.27 : x
2. Step 2: Convert to fraction form
   105,805.24/158,548.39 = 63,639.27/x
3. Step 3: Cross multiply
   105,805.24x = 158,548.39 × 63,639.27
4. Step 4: Simplify right side
   105,805.24x = 10,089,903,640.18
5. Step 5: Solve for x
   x = 10,089,903,640.18/105,805.24
6. Step 6: Final answer
   x = 95,362.99