Finding the Fourth Proportional to 204,003.15, 281,524.37 and 113,356.45

Step by Step Solution

1. Step 1: Write the proportion equation
   204,003.15 : 281,524.37 = 113,356.45 : x
2. Step 2: Convert to fraction form
   204,003.15/281,524.37 = 113,356.45/x
3. Step 3: Cross multiply
   204,003.15x = 281,524.37 × 113,356.45
4. Step 4: Simplify right side
   204,003.15x = 31,912,603,171.69
5. Step 5: Solve for x
   x = 31,912,603,171.69/204,003.15
6. Step 6: Final answer
   x = 156,431.91