Finding the Fourth Proportional to 294,845.82, 442,498.38 and 205,517.82

Step by Step Solution

1. Step 1: Write the proportion equation
   294,845.82 : 442,498.38 = 205,517.82 : x
2. Step 2: Convert to fraction form
   294,845.82/442,498.38 = 205,517.82/x
3. Step 3: Cross multiply
   294,845.82x = 442,498.38 × 205,517.82
4. Step 4: Simplify right side
   294,845.82x = 90,941,302,411.13
5. Step 5: Solve for x
   x = 90,941,302,411.13/294,845.82
6. Step 6: Final answer
   x = 308,436.80