Finding the Fourth Proportional to 282,426.50, 389,755.34 and 155,104.82

Step by Step Solution

1. Step 1: Write the proportion equation
   282,426.50 : 389,755.34 = 155,104.82 : x
2. Step 2: Convert to fraction form
   282,426.50/389,755.34 = 155,104.82/x
3. Step 3: Cross multiply
   282,426.50x = 389,755.34 × 155,104.82
4. Step 4: Simplify right side
   282,426.50x = 60,452,931,854.74
5. Step 5: Solve for x
   x = 60,452,931,854.74/282,426.50
6. Step 6: Final answer
   x = 214,048.37