Finding the Fourth Proportional to 82,419.39, 123,622.25 and 26,257.23

Step by Step Solution

1. Step 1: Write the proportion equation
   82,419.39 : 123,622.25 = 26,257.23 : x
2. Step 2: Convert to fraction form
   82,419.39/123,622.25 = 26,257.23/x
3. Step 3: Cross multiply
   82,419.39x = 123,622.25 × 26,257.23
4. Step 4: Simplify right side
   82,419.39x = 3,245,977,867.78
5. Step 5: Solve for x
   x = 3,245,977,867.78/82,419.39
6. Step 6: Final answer
   x = 39,383.67