Finding the Fourth Proportional to 248,483, 372,782.82 and 82,271

Step by Step Solution

1. Step 1: Write the proportion equation
   248,483 : 372,782.82 = 82,271 : x
2. Step 2: Convert to fraction form
   248,483/372,782.82 = 82,271/x
3. Step 3: Cross multiply
   248,483x = 372,782.82 × 82,271
4. Step 4: Simplify right side
   248,483x = 30,669,215,384.22
5. Step 5: Solve for x
   x = 30,669,215,384.22/248,483
6. Step 6: Final answer
   x = 123,425.81