Finding the Fourth Proportional to 82,133.58, 123,215.57 and 25,987.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,133.58 : 123,215.57 = 25,987.83 : x
2. Step 2: Convert to fraction form
   82,133.58/123,215.57 = 25,987.83/x
3. Step 3: Cross multiply
   82,133.58x = 123,215.57 × 25,987.83
4. Step 4: Simplify right side
   82,133.58x = 3,202,105,286.51
5. Step 5: Solve for x
   x = 3,202,105,286.51/82,133.58
6. Step 6: Final answer
   x = 38,986.55