Finding the Fourth Proportional to 1,483.98, 2,047.82 and 820.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.98 : 2,047.82 = 820.82 : x
2. Step 2: Convert to fraction form
   1,483.98/2,047.82 = 820.82/x
3. Step 3: Cross multiply
   1,483.98x = 2,047.82 × 820.82
4. Step 4: Simplify right side
   1,483.98x = 1,680,891.61
5. Step 5: Solve for x
   x = 1,680,891.61/1,483.98
6. Step 6: Final answer
   x = 1,132.69