Finding the Fourth Proportional to 1,441.50, 1,990.92 and 974.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.50 : 1,990.92 = 974.94 : x
2. Step 2: Convert to fraction form
   1,441.50/1,990.92 = 974.94/x
3. Step 3: Cross multiply
   1,441.50x = 1,990.92 × 974.94
4. Step 4: Simplify right side
   1,441.50x = 1,941,027.54
5. Step 5: Solve for x
   x = 1,941,027.54/1,441.50
6. Step 6: Final answer
   x = 1,346.53