Finding the Fourth Proportional to 82,066.57, 123,053.69 and 25,896.21

Step by Step Solution

1. Step 1: Write the proportion equation
   82,066.57 : 123,053.69 = 25,896.21 : x
2. Step 2: Convert to fraction form
   82,066.57/123,053.69 = 25,896.21/x
3. Step 3: Cross multiply
   82,066.57x = 123,053.69 × 25,896.21
4. Step 4: Simplify right side
   82,066.57x = 3,186,624,347.31
5. Step 5: Solve for x
   x = 3,186,624,347.31/82,066.57
6. Step 6: Final answer
   x = 38,829.75