Finding the Fourth Proportional to 1,016.37, 1,524.83 and 285.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.37 : 1,524.83 = 285.95 : x
2. Step 2: Convert to fraction form
   1,016.37/1,524.83 = 285.95/x
3. Step 3: Cross multiply
   1,016.37x = 1,524.83 × 285.95
4. Step 4: Simplify right side
   1,016.37x = 436,027.52
5. Step 5: Solve for x
   x = 436,027.52/1,016.37
6. Step 6: Final answer
   x = 429.00