Finding the Fourth Proportional to 82,089.45, 123,101.22 and 39,957.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,089.45 : 123,101.22 = 39,957.25 : x
2. Step 2: Convert to fraction form
   82,089.45/123,101.22 = 39,957.25/x
3. Step 3: Cross multiply
   82,089.45x = 123,101.22 × 39,957.25
4. Step 4: Simplify right side
   82,089.45x = 4,918,786,070.99
5. Step 5: Solve for x
   x = 4,918,786,070.99/82,089.45
6. Step 6: Final answer
   x = 59,919.83