Finding the Fourth Proportional to 322,647.84, 483,970.12 and 82,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   322,647.84 : 483,970.12 = 82,760.72 : x
2. Step 2: Convert to fraction form
   322,647.84/483,970.12 = 82,760.72/x
3. Step 3: Cross multiply
   322,647.84x = 483,970.12 × 82,760.72
4. Step 4: Simplify right side
   322,647.84x = 40,053,715,589.69
5. Step 5: Solve for x
   x = 40,053,715,589.69/322,647.84
6. Step 6: Final answer
   x = 124,140.66