Finding the Fourth Proportional to 105,316.92, 158,014.82 and 54,684.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,316.92 : 158,014.82 = 54,684.34 : x
2. Step 2: Convert to fraction form
   105,316.92/158,014.82 = 54,684.34/x
3. Step 3: Cross multiply
   105,316.92x = 158,014.82 × 54,684.34
4. Step 4: Simplify right side
   105,316.92x = 8,640,935,883.59
5. Step 5: Solve for x
   x = 8,640,935,883.59/105,316.92
6. Step 6: Final answer
   x = 82,046.99