Finding the Fourth Proportional to 248,818.09, 373,227.15 and 82,606.09

Step by Step Solution

1. Step 1: Write the proportion equation
   248,818.09 : 373,227.15 = 82,606.09 : x
2. Step 2: Convert to fraction form
   248,818.09/373,227.15 = 82,606.09/x
3. Step 3: Cross multiply
   248,818.09x = 373,227.15 × 82,606.09
4. Step 4: Simplify right side
   248,818.09x = 30,830,835,543.34
5. Step 5: Solve for x
   x = 30,830,835,543.34/248,818.09
6. Step 6: Final answer
   x = 123,909.14