Finding the Fourth Proportional to 204,105.15, 281,663.60 and 113,469.39

Step by Step Solution

1. Step 1: Write the proportion equation
   204,105.15 : 281,663.60 = 113,469.39 : x
2. Step 2: Convert to fraction form
   204,105.15/281,663.60 = 113,469.39/x
3. Step 3: Cross multiply
   204,105.15x = 281,663.60 × 113,469.39
4. Step 4: Simplify right side
   204,105.15x = 31,960,196,309.86
5. Step 5: Solve for x
   x = 31,960,196,309.86/204,105.15
6. Step 6: Final answer
   x = 156,586.92