Finding the Fourth Proportional to 105,676.50, 158,511.96 and 30,817.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,676.50 : 158,511.96 = 30,817.31 : x
2. Step 2: Convert to fraction form
   105,676.50/158,511.96 = 30,817.31/x
3. Step 3: Cross multiply
   105,676.50x = 158,511.96 × 30,817.31
4. Step 4: Simplify right side
   105,676.50x = 4,884,912,606.31
5. Step 5: Solve for x
   x = 4,884,912,606.31/105,676.50
6. Step 6: Final answer
   x = 46,225.16