Finding the Fourth Proportional to 360,915.98, 541,371.54 and 282,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   360,915.98 : 541,371.54 = 282,096.50 : x
2. Step 2: Convert to fraction form
   360,915.98/541,371.54 = 282,096.50/x
3. Step 3: Cross multiply
   360,915.98x = 541,371.54 × 282,096.50
4. Step 4: Simplify right side
   360,915.98x = 152,719,016,633.61
5. Step 5: Solve for x
   x = 152,719,016,633.61/360,915.98
6. Step 6: Final answer
   x = 423,142.85