Finding the Fourth Proportional to 282,364.50, 389,665.20 and 161,498.52

Step by Step Solution

1. Step 1: Write the proportion equation
   282,364.50 : 389,665.20 = 161,498.52 : x
2. Step 2: Convert to fraction form
   282,364.50/389,665.20 = 161,498.52/x
3. Step 3: Cross multiply
   282,364.50x = 389,665.20 × 161,498.52
4. Step 4: Simplify right side
   282,364.50x = 62,930,353,095.50
5. Step 5: Solve for x
   x = 62,930,353,095.50/282,364.50
6. Step 6: Final answer
   x = 222,869.21