Finding the Fourth Proportional to 82,067.57, 123,055.19 and 25,897.21

Step by Step Solution

1. Step 1: Write the proportion equation
   82,067.57 : 123,055.19 = 25,897.21 : x
2. Step 2: Convert to fraction form
   82,067.57/123,055.19 = 25,897.21/x
3. Step 3: Cross multiply
   82,067.57x = 123,055.19 × 25,897.21
4. Step 4: Simplify right side
   82,067.57x = 3,186,786,097.02
5. Step 5: Solve for x
   x = 3,186,786,097.02/82,067.57
6. Step 6: Final answer
   x = 38,831.25