Finding the Fourth Proportional to 1,446.76, 1,996.46 and 808.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.76 : 1,996.46 = 808.59 : x
2. Step 2: Convert to fraction form
   1,446.76/1,996.46 = 808.59/x
3. Step 3: Cross multiply
   1,446.76x = 1,996.46 × 808.59
4. Step 4: Simplify right side
   1,446.76x = 1,614,316.18
5. Step 5: Solve for x
   x = 1,614,316.18/1,446.76
6. Step 6: Final answer
   x = 1,115.81