Finding the Fourth Proportional to 308,906.72, 463,398.24 and 109,185.92

Step by Step Solution

1. Step 1: Write the proportion equation
   308,906.72 : 463,398.24 = 109,185.92 : x
2. Step 2: Convert to fraction form
   308,906.72/463,398.24 = 109,185.92/x
3. Step 3: Cross multiply
   308,906.72x = 463,398.24 × 109,185.92
4. Step 4: Simplify right side
   308,906.72x = 50,596,563,160.78
5. Step 5: Solve for x
   x = 50,596,563,160.78/308,906.72
6. Step 6: Final answer
   x = 163,792.37