Finding the Fourth Proportional to 1,446.58, 1,996.22 and 808.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.58 : 1,996.22 = 808.48 : x
2. Step 2: Convert to fraction form
   1,446.58/1,996.22 = 808.48/x
3. Step 3: Cross multiply
   1,446.58x = 1,996.22 × 808.48
4. Step 4: Simplify right side
   1,446.58x = 1,613,903.95
5. Step 5: Solve for x
   x = 1,613,903.95/1,446.58
6. Step 6: Final answer
   x = 1,115.67