Finding the Fourth Proportional to 1,483.12, 2,046.74 and 819.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.12 : 2,046.74 = 819.98 : x
2. Step 2: Convert to fraction form
   1,483.12/2,046.74 = 819.98/x
3. Step 3: Cross multiply
   1,483.12x = 2,046.74 × 819.98
4. Step 4: Simplify right side
   1,483.12x = 1,678,285.87
5. Step 5: Solve for x
   x = 1,678,285.87/1,483.12
6. Step 6: Final answer
   x = 1,131.59