Finding the Fourth Proportional to 82,290.10, 123,388.98 and 26,119.74

Step by Step Solution

1. Step 1: Write the proportion equation
   82,290.10 : 123,388.98 = 26,119.74 : x
2. Step 2: Convert to fraction form
   82,290.10/123,388.98 = 26,119.74/x
3. Step 3: Cross multiply
   82,290.10x = 123,388.98 × 26,119.74
4. Step 4: Simplify right side
   82,290.10x = 3,222,888,076.47
5. Step 5: Solve for x
   x = 3,222,888,076.47/82,290.10
6. Step 6: Final answer
   x = 39,164.96