Finding the Fourth Proportional to 231,968.72, 320,106.12 and 131,367.44

Step by Step Solution

1. Step 1: Write the proportion equation
   231,968.72 : 320,106.12 = 131,367.44 : x
2. Step 2: Convert to fraction form
   231,968.72/320,106.12 = 131,367.44/x
3. Step 3: Cross multiply
   231,968.72x = 320,106.12 × 131,367.44
4. Step 4: Simplify right side
   231,968.72x = 42,051,521,512.73
5. Step 5: Solve for x
   x = 42,051,521,512.73/231,968.72
6. Step 6: Final answer
   x = 181,281.00