Finding the Fourth Proportional to 282,425.50, 389,753.96 and 155,103.82

Step by Step Solution

1. Step 1: Write the proportion equation
   282,425.50 : 389,753.96 = 155,103.82 : x
2. Step 2: Convert to fraction form
   282,425.50/389,753.96 = 155,103.82/x
3. Step 3: Cross multiply
   282,425.50x = 389,753.96 × 155,103.82
4. Step 4: Simplify right side
   282,425.50x = 60,452,328,056.13
5. Step 5: Solve for x
   x = 60,452,328,056.13/282,425.50
6. Step 6: Final answer
   x = 214,046.99