Finding the Fourth Proportional to 105,509.73, 158,280.24 and 30,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,509.73 : 158,280.24 = 30,630.50 : x
2. Step 2: Convert to fraction form
   105,509.73/158,280.24 = 30,630.50/x
3. Step 3: Cross multiply
   105,509.73x = 158,280.24 × 30,630.50
4. Step 4: Simplify right side
   105,509.73x = 4,848,202,099.92
5. Step 5: Solve for x
   x = 4,848,202,099.92/105,509.73
6. Step 6: Final answer
   x = 45,950.28