Finding the Fourth Proportional to 1,483.01, 2,046.45 and 819.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.01 : 2,046.45 = 819.80 : x
2. Step 2: Convert to fraction form
   1,483.01/2,046.45 = 819.80/x
3. Step 3: Cross multiply
   1,483.01x = 2,046.45 × 819.80
4. Step 4: Simplify right side
   1,483.01x = 1,677,679.71
5. Step 5: Solve for x
   x = 1,677,679.71/1,483.01
6. Step 6: Final answer
   x = 1,131.27