Finding the Fourth Proportional to 284,109.22, 392,058.42 and 155,044.42

Step by Step Solution

1. Step 1: Write the proportion equation
   284,109.22 : 392,058.42 = 155,044.42 : x
2. Step 2: Convert to fraction form
   284,109.22/392,058.42 = 155,044.42/x
3. Step 3: Cross multiply
   284,109.22x = 392,058.42 × 155,044.42
4. Step 4: Simplify right side
   284,109.22x = 60,786,470,335.02
5. Step 5: Solve for x
   x = 60,786,470,335.02/284,109.22
6. Step 6: Final answer
   x = 213,954.59