Finding the Fourth Proportional to 143,131.80, 214,514.10 and 79,951.80

Step by Step Solution

1. Step 1: Write the proportion equation
   143,131.80 : 214,514.10 = 79,951.80 : x
2. Step 2: Convert to fraction form
   143,131.80/214,514.10 = 79,951.80/x
3. Step 3: Cross multiply
   143,131.80x = 214,514.10 × 79,951.80
4. Step 4: Simplify right side
   143,131.80x = 17,150,788,420.38
5. Step 5: Solve for x
   x = 17,150,788,420.38/143,131.80
6. Step 6: Final answer
   x = 119,825.14