Finding the Fourth Proportional to 1,482.74, 2,046.15 and 819.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,482.74 : 2,046.15 = 819.57 : x
2. Step 2: Convert to fraction form
   1,482.74/2,046.15 = 819.57/x
3. Step 3: Cross multiply
   1,482.74x = 2,046.15 × 819.57
4. Step 4: Simplify right side
   1,482.74x = 1,676,963.16
5. Step 5: Solve for x
   x = 1,676,963.16/1,482.74
6. Step 6: Final answer
   x = 1,130.99