Finding the Fourth Proportional to 259,096.88, 388,350.50 and 157,671.25

Step by Step Solution

1. Step 1: Write the proportion equation
   259,096.88 : 388,350.50 = 157,671.25 : x
2. Step 2: Convert to fraction form
   259,096.88/388,350.50 = 157,671.25/x
3. Step 3: Cross multiply
   259,096.88x = 388,350.50 × 157,671.25
4. Step 4: Simplify right side
   259,096.88x = 61,231,707,013.89
5. Step 5: Solve for x
   x = 61,231,707,013.89/259,096.88
6. Step 6: Final answer
   x = 236,327.46