Finding the Fourth Proportional to 1,446.54, 1,996.83 and 1,072.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.54 : 1,996.83 = 1,072.86 : x
2. Step 2: Convert to fraction form
   1,446.54/1,996.83 = 1,072.86/x
3. Step 3: Cross multiply
   1,446.54x = 1,996.83 × 1,072.86
4. Step 4: Simplify right side
   1,446.54x = 2,142,319.03
5. Step 5: Solve for x
   x = 2,142,319.03/1,446.54
6. Step 6: Final answer
   x = 1,481.00