Finding the Fourth Proportional to 82,260.89, 123,395.72 and 26,105.39

Step by Step Solution

1. Step 1: Write the proportion equation
   82,260.89 : 123,395.72 = 26,105.39 : x
2. Step 2: Convert to fraction form
   82,260.89/123,395.72 = 26,105.39/x
3. Step 3: Cross multiply
   82,260.89x = 123,395.72 × 26,105.39
4. Step 4: Simplify right side
   82,260.89x = 3,221,292,647.43
5. Step 5: Solve for x
   x = 3,221,292,647.43/82,260.89
6. Step 6: Final answer
   x = 39,159.47