Finding the Fourth Proportional to 307,371.72, 424,174.83 and 171,414.27

Step by Step Solution

1. Step 1: Write the proportion equation
   307,371.72 : 424,174.83 = 171,414.27 : x
2. Step 2: Convert to fraction form
   307,371.72/424,174.83 = 171,414.27/x
3. Step 3: Cross multiply
   307,371.72x = 424,174.83 × 171,414.27
4. Step 4: Simplify right side
   307,371.72x = 72,709,618,836.82
5. Step 5: Solve for x
   x = 72,709,618,836.82/307,371.72
6. Step 6: Final answer
   x = 236,552.73