Finding the Fourth Proportional to 105,510.48, 158,281.37 and 30,631.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,510.48 : 158,281.37 = 30,631.25 : x
2. Step 2: Convert to fraction form
   105,510.48/158,281.37 = 30,631.25/x
3. Step 3: Cross multiply
   105,510.48x = 158,281.37 × 30,631.25
4. Step 4: Simplify right side
   105,510.48x = 4,848,355,270.25
5. Step 5: Solve for x
   x = 4,848,355,270.25/105,510.48
6. Step 6: Final answer
   x = 45,951.41