Finding the Fourth Proportional to 248,283, 372,482.82 and 82,071

Step by Step Solution

1. Step 1: Write the proportion equation
   248,283 : 372,482.82 = 82,071 : x
2. Step 2: Convert to fraction form
   248,283/372,482.82 = 82,071/x
3. Step 3: Cross multiply
   248,283x = 372,482.82 × 82,071
4. Step 4: Simplify right side
   248,283x = 30,570,037,520.22
5. Step 5: Solve for x
   x = 30,570,037,520.22/248,283
6. Step 6: Final answer
   x = 123,125.78