Finding the Fourth Proportional to 1,483.30, 2,046.96 and 811.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.30 : 2,046.96 = 811.12 : x
2. Step 2: Convert to fraction form
   1,483.30/2,046.96 = 811.12/x
3. Step 3: Cross multiply
   1,483.30x = 2,046.96 × 811.12
4. Step 4: Simplify right side
   1,483.30x = 1,660,330.20
5. Step 5: Solve for x
   x = 1,660,330.20/1,483.30
6. Step 6: Final answer
   x = 1,119.35