Finding the Fourth Proportional to 259,234.72, 388,906.32 and 109,475.44

Step by Step Solution

1. Step 1: Write the proportion equation
   259,234.72 : 388,906.32 = 109,475.44 : x
2. Step 2: Convert to fraction form
   259,234.72/388,906.32 = 109,475.44/x
3. Step 3: Cross multiply
   259,234.72x = 388,906.32 × 109,475.44
4. Step 4: Simplify right side
   259,234.72x = 42,575,690,500.78
5. Step 5: Solve for x
   x = 42,575,690,500.78/259,234.72
6. Step 6: Final answer
   x = 164,236.07