Finding the Fourth Proportional to 105,822.72, 158,734.06 and 82,466.64

Step by Step Solution

1. Step 1: Write the proportion equation
   105,822.72 : 158,734.06 = 82,466.64 : x
2. Step 2: Convert to fraction form
   105,822.72/158,734.06 = 82,466.64/x
3. Step 3: Cross multiply
   105,822.72x = 158,734.06 × 82,466.64
4. Step 4: Simplify right side
   105,822.72x = 13,090,264,581.76
5. Step 5: Solve for x
   x = 13,090,264,581.76/105,822.72
6. Step 6: Final answer
   x = 123,699.94