Finding the Fourth Proportional to 82,401.67, 123,614.34 and 25,480

Step by Step Solution

1. Step 1: Write the proportion equation
   82,401.67 : 123,614.34 = 25,480 : x
2. Step 2: Convert to fraction form
   82,401.67/123,614.34 = 25,480/x
3. Step 3: Cross multiply
   82,401.67x = 123,614.34 × 25,480
4. Step 4: Simplify right side
   82,401.67x = 3,149,693,383.20
5. Step 5: Solve for x
   x = 3,149,693,383.20/82,401.67
6. Step 6: Final answer
   x = 38,223.66