Finding the Fourth Proportional to 335,380.32, 503,065.98 and 82,663.80

Step by Step Solution

1. Step 1: Write the proportion equation
   335,380.32 : 503,065.98 = 82,663.80 : x
2. Step 2: Convert to fraction form
   335,380.32/503,065.98 = 82,663.80/x
3. Step 3: Cross multiply
   335,380.32x = 503,065.98 × 82,663.80
4. Step 4: Simplify right side
   335,380.32x = 41,585,345,557.52
5. Step 5: Solve for x
   x = 41,585,345,557.52/335,380.32
6. Step 6: Final answer
   x = 123,994.59