Finding the Fourth Proportional to 1,446.89, 1,996.11 and 1,074.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.89 : 1,996.11 = 1,074.78 : x
2. Step 2: Convert to fraction form
   1,446.89/1,996.11 = 1,074.78/x
3. Step 3: Cross multiply
   1,446.89x = 1,996.11 × 1,074.78
4. Step 4: Simplify right side
   1,446.89x = 2,145,379.11
5. Step 5: Solve for x
   x = 2,145,379.11/1,446.89
6. Step 6: Final answer
   x = 1,482.76