Finding the Fourth Proportional to 515,369.81, 773,103.94 and 160,288.49

Step by Step Solution

1. Step 1: Write the proportion equation
   515,369.81 : 773,103.94 = 160,288.49 : x
2. Step 2: Convert to fraction form
   515,369.81/773,103.94 = 160,288.49/x
3. Step 3: Cross multiply
   515,369.81x = 773,103.94 × 160,288.49
4. Step 4: Simplify right side
   515,369.81x = 123,919,664,687.69
5. Step 5: Solve for x
   x = 123,919,664,687.69/515,369.81
6. Step 6: Final answer
   x = 240,448.05