Finding the Fourth Proportional to 250,493.94, 375,660.72 and 81,968.58

Step by Step Solution

1. Step 1: Write the proportion equation
   250,493.94 : 375,660.72 = 81,968.58 : x
2. Step 2: Convert to fraction form
   250,493.94/375,660.72 = 81,968.58/x
3. Step 3: Cross multiply
   250,493.94x = 375,660.72 × 81,968.58
4. Step 4: Simplify right side
   250,493.94x = 30,792,375,780.18
5. Step 5: Solve for x
   x = 30,792,375,780.18/250,493.94
6. Step 6: Final answer
   x = 122,926.63