Finding the Fourth Proportional to 1,481.61, 2,044.59 and 818.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.61 : 2,044.59 = 818.42 : x
2. Step 2: Convert to fraction form
   1,481.61/2,044.59 = 818.42/x
3. Step 3: Cross multiply
   1,481.61x = 2,044.59 × 818.42
4. Step 4: Simplify right side
   1,481.61x = 1,673,338.46
5. Step 5: Solve for x
   x = 1,673,338.46/1,481.61
6. Step 6: Final answer
   x = 1,129.41