Finding the Fourth Proportional to 239,061.26, 358,629.89 and 79,143

Step by Step Solution

1. Step 1: Write the proportion equation
   239,061.26 : 358,629.89 = 79,143 : x
2. Step 2: Convert to fraction form
   239,061.26/358,629.89 = 79,143/x
3. Step 3: Cross multiply
   239,061.26x = 358,629.89 × 79,143
4. Step 4: Simplify right side
   239,061.26x = 28,383,044,988.56
5. Step 5: Solve for x
   x = 28,383,044,988.56/239,061.26
6. Step 6: Final answer
   x = 118,727.08