Finding the Fourth Proportional to 282,096.88, 389,294.20 and 154,773.38

Step by Step Solution

1. Step 1: Write the proportion equation
   282,096.88 : 389,294.20 = 154,773.38 : x
2. Step 2: Convert to fraction form
   282,096.88/389,294.20 = 154,773.38/x
3. Step 3: Cross multiply
   282,096.88x = 389,294.20 × 154,773.38
4. Step 4: Simplify right side
   282,096.88x = 60,252,380,315.10
5. Step 5: Solve for x
   x = 60,252,380,315.10/282,096.88
6. Step 6: Final answer
   x = 213,587.55