Finding the Fourth Proportional to 1,035.72, 1,562.49 and 984.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.72 : 1,562.49 = 984.42 : x
2. Step 2: Convert to fraction form
   1,035.72/1,562.49 = 984.42/x
3. Step 3: Cross multiply
   1,035.72x = 1,562.49 × 984.42
4. Step 4: Simplify right side
   1,035.72x = 1,538,146.41
5. Step 5: Solve for x
   x = 1,538,146.41/1,035.72
6. Step 6: Final answer
   x = 1,485.10