Finding the Fourth Proportional to 204,003.69, 281,519.48 and 113,357.31

Step by Step Solution

1. Step 1: Write the proportion equation
   204,003.69 : 281,519.48 = 113,357.31 : x
2. Step 2: Convert to fraction form
   204,003.69/281,519.48 = 113,357.31/x
3. Step 3: Cross multiply
   204,003.69x = 281,519.48 × 113,357.31
4. Step 4: Simplify right side
   204,003.69x = 31,912,290,398.61
5. Step 5: Solve for x
   x = 31,912,290,398.61/204,003.69
6. Step 6: Final answer
   x = 156,429.97