Finding the Fourth Proportional to 307,359, 424,162.92 and 171,391.62

Step by Step Solution

1. Step 1: Write the proportion equation
   307,359 : 424,162.92 = 171,391.62 : x
2. Step 2: Convert to fraction form
   307,359/424,162.92 = 171,391.62/x
3. Step 3: Cross multiply
   307,359x = 424,162.92 × 171,391.62
4. Step 4: Simplify right side
   307,359x = 72,697,970,002.73
5. Step 5: Solve for x
   x = 72,697,970,002.73/307,359
6. Step 6: Final answer
   x = 236,524.62