Finding the Fourth Proportional to 82,109.16, 123,163.92 and 26,705.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,109.16 : 123,163.92 = 26,705.16 : x
2. Step 2: Convert to fraction form
   82,109.16/123,163.92 = 26,705.16/x
3. Step 3: Cross multiply
   82,109.16x = 123,163.92 × 26,705.16
4. Step 4: Simplify right side
   82,109.16x = 3,289,112,189.83
5. Step 5: Solve for x
   x = 3,289,112,189.83/82,109.16
6. Step 6: Final answer
   x = 40,057.80