Finding the Fourth Proportional to 1,483.10, 2,046.67 and 819.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.10 : 2,046.67 = 819.95 : x
2. Step 2: Convert to fraction form
   1,483.10/2,046.67 = 819.95/x
3. Step 3: Cross multiply
   1,483.10x = 2,046.67 × 819.95
4. Step 4: Simplify right side
   1,483.10x = 1,678,154.78
5. Step 5: Solve for x
   x = 1,678,154.78/1,483.10
6. Step 6: Final answer
   x = 1,131.52