Finding the Fourth Proportional to 82,261.98, 123,379.20 and 26,857.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,261.98 : 123,379.20 = 26,857.98 : x
2. Step 2: Convert to fraction form
   82,261.98/123,379.20 = 26,857.98/x
3. Step 3: Cross multiply
   82,261.98x = 123,379.20 × 26,857.98
4. Step 4: Simplify right side
   82,261.98x = 3,313,716,086.02
5. Step 5: Solve for x
   x = 3,313,716,086.02/82,261.98
6. Step 6: Final answer
   x = 40,282.47