Finding the Fourth Proportional to 1,483.13, 2,046.72 and 819.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.13 : 2,046.72 = 819.99 : x
2. Step 2: Convert to fraction form
   1,483.13/2,046.72 = 819.99/x
3. Step 3: Cross multiply
   1,483.13x = 2,046.72 × 819.99
4. Step 4: Simplify right side
   1,483.13x = 1,678,289.93
5. Step 5: Solve for x
   x = 1,678,289.93/1,483.13
6. Step 6: Final answer
   x = 1,131.59