Finding the Fourth Proportional to 82,419.45, 123,622.34 and 26,257.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,419.45 : 123,622.34 = 26,257.29 : x
2. Step 2: Convert to fraction form
   82,419.45/123,622.34 = 26,257.29/x
3. Step 3: Cross multiply
   82,419.45x = 123,622.34 × 26,257.29
4. Step 4: Simplify right side
   82,419.45x = 3,245,987,631.86
5. Step 5: Solve for x
   x = 3,245,987,631.86/82,419.45
6. Step 6: Final answer
   x = 39,383.76