Finding the Fourth Proportional to 231,949.50, 320,090.31 and 131,366.94

Step by Step Solution

1. Step 1: Write the proportion equation
   231,949.50 : 320,090.31 = 131,366.94 : x
2. Step 2: Convert to fraction form
   231,949.50/320,090.31 = 131,366.94/x
3. Step 3: Cross multiply
   231,949.50x = 320,090.31 × 131,366.94
4. Step 4: Simplify right side
   231,949.50x = 42,049,284,548.35
5. Step 5: Solve for x
   x = 42,049,284,548.35/231,949.50
6. Step 6: Final answer
   x = 181,286.38