Finding the Fourth Proportional to 105,510.73, 158,281.74 and 30,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,510.73 : 158,281.74 = 30,631.50 : x
2. Step 2: Convert to fraction form
   105,510.73/158,281.74 = 30,631.50/x
3. Step 3: Cross multiply
   105,510.73x = 158,281.74 × 30,631.50
4. Step 4: Simplify right side
   105,510.73x = 4,848,407,118.81
5. Step 5: Solve for x
   x = 4,848,407,118.81/105,510.73
6. Step 6: Final answer
   x = 45,951.79