Finding the Fourth Proportional to 1,549.63, 2,324.72 and 819.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,549.63 : 2,324.72 = 819.82 : x
2. Step 2: Convert to fraction form
   1,549.63/2,324.72 = 819.82/x
3. Step 3: Cross multiply
   1,549.63x = 2,324.72 × 819.82
4. Step 4: Simplify right side
   1,549.63x = 1,905,851.95
5. Step 5: Solve for x
   x = 1,905,851.95/1,549.63
6. Step 6: Final answer
   x = 1,229.88