Finding the Fourth Proportional to 231,986.17, 320,297.82 and 144,904.39

Step by Step Solution

1. Step 1: Write the proportion equation
   231,986.17 : 320,297.82 = 144,904.39 : x
2. Step 2: Convert to fraction form
   231,986.17/320,297.82 = 144,904.39/x
3. Step 3: Cross multiply
   231,986.17x = 320,297.82 × 144,904.39
4. Step 4: Simplify right side
   231,986.17x = 46,412,559,424.69
5. Step 5: Solve for x
   x = 46,412,559,424.69/231,986.17
6. Step 6: Final answer
   x = 200,066.06