Finding the Fourth Proportional to 282,435.56, 389,760.59 and 155,111.14

Step by Step Solution

1. Step 1: Write the proportion equation
   282,435.56 : 389,760.59 = 155,111.14 : x
2. Step 2: Convert to fraction form
   282,435.56/389,760.59 = 155,111.14/x
3. Step 3: Cross multiply
   282,435.56x = 389,760.59 × 155,111.14
4. Step 4: Simplify right side
   282,435.56x = 60,456,206,717.61
5. Step 5: Solve for x
   x = 60,456,206,717.61/282,435.56
6. Step 6: Final answer
   x = 214,053.10