Finding the Fourth Proportional to 82,171.12, 123,257.56 and 26,010.18

Step by Step Solution

1. Step 1: Write the proportion equation
   82,171.12 : 123,257.56 = 26,010.18 : x
2. Step 2: Convert to fraction form
   82,171.12/123,257.56 = 26,010.18/x
3. Step 3: Cross multiply
   82,171.12x = 123,257.56 × 26,010.18
4. Step 4: Simplify right side
   82,171.12x = 3,205,951,321.96
5. Step 5: Solve for x
   x = 3,205,951,321.96/82,171.12
6. Step 6: Final answer
   x = 39,015.55