Finding the Fourth Proportional to 282,514.50, 389,870.01 and 155,192.22

Step by Step Solution

1. Step 1: Write the proportion equation
   282,514.50 : 389,870.01 = 155,192.22 : x
2. Step 2: Convert to fraction form
   282,514.50/389,870.01 = 155,192.22/x
3. Step 3: Cross multiply
   282,514.50x = 389,870.01 × 155,192.22
4. Step 4: Simplify right side
   282,514.50x = 60,504,792,363.32
5. Step 5: Solve for x
   x = 60,504,792,363.32/282,514.50
6. Step 6: Final answer
   x = 214,165.26