Finding the Fourth Proportional to 1,481.34, 2,044.37 and 818.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.34 : 2,044.37 = 818.31 : x
2. Step 2: Convert to fraction form
   1,481.34/2,044.37 = 818.31/x
3. Step 3: Cross multiply
   1,481.34x = 2,044.37 × 818.31
4. Step 4: Simplify right side
   1,481.34x = 1,672,924.32
5. Step 5: Solve for x
   x = 1,672,924.32/1,481.34
6. Step 6: Final answer
   x = 1,129.33