Finding the Fourth Proportional to 105,545.89, 158,359.41 and 63,455.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,545.89 : 158,359.41 = 63,455.03 : x
2. Step 2: Convert to fraction form
   105,545.89/158,359.41 = 63,455.03/x
3. Step 3: Cross multiply
   105,545.89x = 158,359.41 × 63,455.03
4. Step 4: Simplify right side
   105,545.89x = 10,048,701,112.33
5. Step 5: Solve for x
   x = 10,048,701,112.33/105,545.89
6. Step 6: Final answer
   x = 95,206.94