Finding the Fourth Proportional to 82,929.18, 124,447.02 and 82,623

Step by Step Solution

1. Step 1: Write the proportion equation
   82,929.18 : 124,447.02 = 82,623 : x
2. Step 2: Convert to fraction form
   82,929.18/124,447.02 = 82,623/x
3. Step 3: Cross multiply
   82,929.18x = 124,447.02 × 82,623
4. Step 4: Simplify right side
   82,929.18x = 10,282,186,133.46
5. Step 5: Solve for x
   x = 10,282,186,133.46/82,929.18
6. Step 6: Final answer
   x = 123,987.55