Finding the Fourth Proportional to 79,842.78, 119,792.86 and 34,231.41

Step by Step Solution

1. Step 1: Write the proportion equation
   79,842.78 : 119,792.86 = 34,231.41 : x
2. Step 2: Convert to fraction form
   79,842.78/119,792.86 = 34,231.41/x
3. Step 3: Cross multiply
   79,842.78x = 119,792.86 × 34,231.41
4. Step 4: Simplify right side
   79,842.78x = 4,100,678,420.15
5. Step 5: Solve for x
   x = 4,100,678,420.15/79,842.78
6. Step 6: Final answer
   x = 51,359.41