Finding the Fourth Proportional to 292,769.69, 404,025.30 and 171,912.42

Step by Step Solution

1. Step 1: Write the proportion equation
   292,769.69 : 404,025.30 = 171,912.42 : x
2. Step 2: Convert to fraction form
   292,769.69/404,025.30 = 171,912.42/x
3. Step 3: Cross multiply
   292,769.69x = 404,025.30 × 171,912.42
4. Step 4: Simplify right side
   292,769.69x = 69,456,967,064.23
5. Step 5: Solve for x
   x = 69,456,967,064.23/292,769.69
6. Step 6: Final answer
   x = 237,240.98