Finding the Fourth Proportional to 82,245.78, 123,375.12 and 26,089.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,245.78 : 123,375.12 = 26,089.09 : x
2. Step 2: Convert to fraction form
   82,245.78/123,375.12 = 26,089.09/x
3. Step 3: Cross multiply
   82,245.78x = 123,375.12 × 26,089.09
4. Step 4: Simplify right side
   82,245.78x = 3,218,744,203.17
5. Step 5: Solve for x
   x = 3,218,744,203.17/82,245.78
6. Step 6: Final answer
   x = 39,135.68