Finding the Fourth Proportional to 307,666.69, 424,601.33 and 171,727.09

Step by Step Solution

1. Step 1: Write the proportion equation
   307,666.69 : 424,601.33 = 171,727.09 : x
2. Step 2: Convert to fraction form
   307,666.69/424,601.33 = 171,727.09/x
3. Step 3: Cross multiply
   307,666.69x = 424,601.33 × 171,727.09
4. Step 4: Simplify right side
   307,666.69x = 72,915,548,890.89
5. Step 5: Solve for x
   x = 72,915,548,890.89/307,666.69
6. Step 6: Final answer
   x = 236,995.27